512255431025551 has 8 divisors (see below), whose sum is σ = 515966681175408. Its totient is φ = 508556289360000.

The previous prime is 512255431025537. The next prime is 512255431025651. The reversal of 512255431025551 is 155520134552215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512255431025551 - 2³⁹ = 511705675211663 is a prime.

It is a super-2 number, since 2×512255431025551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512255431025251) 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, 3027036160 + ... + 3027205381.

It is an arithmetic number, because the mean of its divisors is an integer number (64495835146926).

Almost surely, 2^{512255431025551} is an apocalyptic number.

512255431025551 is a deficient number, since it is larger than the sum of its proper divisors (3711250149857).

512255431025551 is a wasteful number, since it uses less digits than its factorization.

512255431025551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054242153.

The product of its (nonzero) digits is 1500000, while the sum is 46.

Adding to 512255431025551 its reverse (155520134552215), we get a palindrome (667775565577766).

The spelling of 512255431025551 in words is "five hundred twelve trillion, two hundred fifty-five billion, four hundred thirty-one million, twenty-five thousand, five hundred fifty-one".