531088774412155 has 32 divisors (see below), whose sum is σ = 648124467712128. Its totient is φ = 417739133952000.

The previous prime is 531088774412137. The next prime is 531088774412197. The reversal of 531088774412155 is 551214477880135.

It is a de Polignac number, because none of the positive numbers 2^k-531088774412155 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531088774412093 and 531088774412102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19455325 + ... + 37956385.

It is an arithmetic number, because the mean of its divisors is an integer number (20253889616004).

Almost surely, 2^{531088774412155} is an apocalyptic number.

531088774412155 is a deficient number, since it is larger than the sum of its proper divisors (117035693299973).

531088774412155 is a wasteful number, since it uses less digits than its factorization.

531088774412155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501607.

The product of its (nonzero) digits is 37632000, while the sum is 61.

The spelling of 531088774412155 in words is "five hundred thirty-one trillion, eighty-eight billion, seven hundred seventy-four million, four hundred twelve thousand, one hundred fifty-five".