655311113556 has 48 divisors (see below), whose sum is σ = 1681199063040. Its totient is φ = 197015505120.

The previous prime is 655311113467. The next prime is 655311113591.

655311113556 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19528426 + ... + 19561953.

It is an arithmetic number, because the mean of its divisors is an integer number (35024980480).

Almost surely, 2^655311113556 is an apocalyptic number.

655311113556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

655311113556 is an abundant number, since it is smaller than the sum of its proper divisors (1025887949484).

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

655311113556 is a wasteful number, since it uses less digits than its factorization.

655311113556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39090524 (or 39090522 counting only the distinct ones).

The product of its digits is 202500, while the sum is 42.

It can be divided in two parts, 655311 and 113556, that added together give a palindrome (768867).

The spelling of 655311113556 in words is "six hundred fifty-five billion, three hundred eleven million, one hundred thirteen thousand, five hundred fifty-six".