15291552154 has 16 divisors (see below), whose sum is σ = 23270379840. Its totient is φ = 7534851520.

The previous prime is 15291552137. The next prime is 15291552161. The reversal of 15291552154 is 45125519251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327282 + ... + 371074.

It is an arithmetic number, because the mean of its divisors is an integer number (1454398740).

Almost surely, 2^15291552154 is an apocalyptic number.

15291552154 is a deficient number, since it is larger than the sum of its proper divisors (7978827686).

15291552154 is a wasteful number, since it uses less digits than its factorization.

15291552154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46325.

The product of its digits is 90000, while the sum is 40.

The spelling of 15291552154 in words is "fifteen billion, two hundred ninety-one million, five hundred fifty-two thousand, one hundred fifty-four".