15552117155 has 8 divisors (see below), whose sum is σ = 18670629984. Its totient is φ = 12436300800.

The previous prime is 15552117137. The next prime is 15552117179. The reversal of 15552117155 is 55171125551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15552117155 - 2²⁰ = 15551068579 is a prime.

It is a Duffinian 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, 661406 + ... + 684515.

It is an arithmetic number, because the mean of its divisors is an integer number (2333828748).

Almost surely, 2^15552117155 is an apocalyptic number.

15552117155 is a deficient number, since it is larger than the sum of its proper divisors (3118512829).

15552117155 is a wasteful number, since it uses less digits than its factorization.

15552117155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348237.

The product of its digits is 43750, while the sum is 38.

The spelling of 15552117155 in words is "fifteen billion, five hundred fifty-two million, one hundred seventeen thousand, one hundred fifty-five".