512554132555555 has 4 divisors (see below), whose sum is σ = 615064959066672. Its totient is φ = 410043306044440.

The previous prime is 512554132555523. The next prime is 512554132555559. The reversal of 512554132555555 is 555555231455215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 512554132555555 - 2⁵ = 512554132555523 is a prime.

It is a super-2 number, since 2×512554132555555² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512554132555555.

It is not an unprimeable number, because it can be changed into a prime (512554132555559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51255413255551 + ... + 51255413255560.

It is an arithmetic number, because the mean of its divisors is an integer number (153766239766668).

Almost surely, 2^{512554132555555} is an apocalyptic number.

512554132555555 is a deficient number, since it is larger than the sum of its proper divisors (102510826511117).

512554132555555 is a wasteful number, since it uses less digits than its factorization.

512554132555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102510826511116.

The product of its digits is 93750000, while the sum is 58.

The spelling of 512554132555555 in words is "five hundred twelve trillion, five hundred fifty-four billion, one hundred thirty-two million, five hundred fifty-five thousand, five hundred fifty-five".