15006550655 has 8 divisors (see below), whose sum is σ = 18022713792. Its totient is φ = 11995338528.

The previous prime is 15006550633. The next prime is 15006550717. The reversal of 15006550655 is 55605560051.

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

It is a cyclic number.

It is not a de Polignac number, because 15006550655 - 2²² = 15002356351 is a prime.

It is a super-2 number, since 2×15006550655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1231079 + ... + 1243208.

It is an arithmetic number, because the mean of its divisors is an integer number (2252839224).

Almost surely, 2^15006550655 is an apocalyptic number.

15006550655 is a deficient number, since it is larger than the sum of its proper divisors (3016163137).

15006550655 is a wasteful number, since it uses less digits than its factorization.

15006550655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475505.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 15006550655 in words is "fifteen billion, six million, five hundred fifty thousand, six hundred fifty-five".