15151561162 has 4 divisors (see below), whose sum is σ = 22727341746. Its totient is φ = 7575780580.

The previous prime is 15151561129. The next prime is 15151561171. The reversal of 15151561162 is 26116515151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8224494721 + 6927066441 = 90689^2 + 83229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787890289 + ... + 3787890292.

Almost surely, 2^15151561162 is an apocalyptic number.

15151561162 is a deficient number, since it is larger than the sum of its proper divisors (7575780584).

15151561162 is an equidigital number, since it uses as much as digits as its factorization.

15151561162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575780583.

The product of its digits is 9000, while the sum is 34.

The spelling of 15151561162 in words is "fifteen billion, one hundred fifty-one million, five hundred sixty-one thousand, one hundred sixty-two".