655559955556 has 24 divisors (see below), whose sum is σ = 1253606004000. Its totient is φ = 297485976000.

The previous prime is 655559955517. The next prime is 655559955607.

655559955556 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12368806 + ... + 12421693.

It is an arithmetic number, because the mean of its divisors is an integer number (52233583500).

Almost surely, 2^655559955556 is an apocalyptic number.

It is an amenable number.

655559955556 is a deficient number, since it is larger than the sum of its proper divisors (598046048444).

655559955556 is a wasteful number, since it uses less digits than its factorization.

655559955556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24791115 (or 24791113 counting only the distinct ones).

The product of its digits is 1139062500, while the sum is 70.

The spelling of 655559955556 in words is "six hundred fifty-five billion, five hundred fifty-nine million, nine hundred fifty-five thousand, five hundred fifty-six".