155660651011 has 16 divisors (see below), whose sum is σ = 167702391360. Its totient is φ = 143944750080.

The previous prime is 155660650991. The next prime is 155660651023. The reversal of 155660651011 is 110156066551.

It is not a de Polignac number, because 155660651011 - 2²⁵ = 155627096579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155660655011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871335 + ... + 1034671.

It is an arithmetic number, because the mean of its divisors is an integer number (10481399460).

Almost surely, 2^155660651011 is an apocalyptic number.

155660651011 is a deficient number, since it is larger than the sum of its proper divisors (12041740349).

155660651011 is a wasteful number, since it uses less digits than its factorization.

155660651011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164334.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 155660651011 in words is "one hundred fifty-five billion, six hundred sixty million, six hundred fifty-one thousand, eleven".