65156155023 has 32 divisors (see below), whose sum is σ = 91766269440. Its totient is φ = 41007980160.

The previous prime is 65156155021. The next prime is 65156155027. The reversal of 65156155023 is 32055165156.

It is not a de Polignac number, because 65156155023 - 2¹ = 65156155021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65156155021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24032638 + ... + 24035348.

It is an arithmetic number, because the mean of its divisors is an integer number (2867695920).

Almost surely, 2^65156155023 is an apocalyptic number.

65156155023 is a deficient number, since it is larger than the sum of its proper divisors (26610114417).

65156155023 is a wasteful number, since it uses less digits than its factorization.

65156155023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 65156155023 in words is "sixty-five billion, one hundred fifty-six million, one hundred fifty-five thousand, twenty-three".