15161532155 has 16 divisors (see below), whose sum is σ = 22683227904. Its totient is φ = 9451344480.

The previous prime is 15161532131. The next prime is 15161532181. The reversal of 15161532155 is 55123516151.

It is not a de Polignac number, because 15161532155 - 2⁶ = 15161532091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19689917 + ... + 19690686.

It is an arithmetic number, because the mean of its divisors is an integer number (1417701744).

Almost surely, 2^15161532155 is an apocalyptic number.

15161532155 is a deficient number, since it is larger than the sum of its proper divisors (7521695749).

15161532155 is a wasteful number, since it uses less digits than its factorization.

15161532155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39380626.

The product of its digits is 22500, while the sum is 35.

The spelling of 15161532155 in words is "fifteen billion, one hundred sixty-one million, five hundred thirty-two thousand, one hundred fifty-five".