512545150553454 has 16 divisors (see below), whose sum is σ = 1138989223452240. Its totient is φ = 170848383517800.

The previous prime is 512545150553389. The next prime is 512545150553459. The reversal of 512545150553454 is 454355051545215.

512545150553454 is a `hidden beast` number, since 5 + 1 + 2 + 5 + 4 + 5 + 1 + 50 + 5 + 534 + 54 = 666.

It is a super-2 number, since 2×512545150553454² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 9491576862101 = 512545150553454 / (5 + 1 + 2 + 5 + 4 + 5 + 1 + 5 + 0 + 5 + 5 + 3 + 4 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 512545150553454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512545150553459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745788430997 + ... + 4745788431104.

It is an arithmetic number, because the mean of its divisors is an integer number (71186826465765).

Almost surely, 2^{512545150553454} is an apocalyptic number.

512545150553454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

512545150553454 is an abundant number, since it is smaller than the sum of its proper divisors (626444072898786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512545150553454 is a wasteful number, since it uses less digits than its factorization.

512545150553454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491576862112 (or 9491576862106 counting only the distinct ones).

The product of its (nonzero) digits is 30000000, while the sum is 54.

The spelling of 512545150553454 in words is "five hundred twelve trillion, five hundred forty-five billion, one hundred fifty million, five hundred fifty-three thousand, four hundred fifty-four".