655156511075 has 12 divisors (see below), whose sum is σ = 886248080808. Its totient is φ = 476477462400.

The previous prime is 655156511039. The next prime is 655156511081. The reversal of 655156511075 is 570115651556.

It is not a de Polignac number, because 655156511075 - 2¹⁰ = 655156510051 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 1191193382 + ... + 1191193931.

It is an arithmetic number, because the mean of its divisors is an integer number (73854006734).

Almost surely, 2^655156511075 is an apocalyptic number.

655156511075 is a deficient number, since it is larger than the sum of its proper divisors (231091569733).

655156511075 is a wasteful number, since it uses less digits than its factorization.

655156511075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382387334 (or 2382387329 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 655156511075 in words is "six hundred fifty-five billion, one hundred fifty-six million, five hundred eleven thousand, seventy-five".