15775160961 has 16 divisors (see below), whose sum is σ = 24051585024. Its totient is φ = 9009411024.

The previous prime is 15775160953. The next prime is 15775160971. The reversal of 15775160961 is 16906157751.

It is not a de Polignac number, because 15775160961 - 2³ = 15775160953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15775160961.

It is not an unprimeable number, because it can be changed into a prime (15775160941) 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, 167751 + ... + 244316.

It is an arithmetic number, because the mean of its divisors is an integer number (1503224064).

Almost surely, 2^15775160961 is an apocalyptic number.

It is an amenable number.

15775160961 is a deficient number, since it is larger than the sum of its proper divisors (8276424063).

15775160961 is a wasteful number, since it uses less digits than its factorization.

15775160961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413900.

The product of its (nonzero) digits is 396900, while the sum is 48.

The spelling of 15775160961 in words is "fifteen billion, seven hundred seventy-five million, one hundred sixty thousand, nine hundred sixty-one".