15056505655 has 8 divisors (see below), whose sum is σ = 18337475952. Its totient is φ = 11865425088.

The previous prime is 15056505647. The next prime is 15056505697. The reversal of 15056505655 is 55650565051.

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 15056505655 - 2³ = 15056505647 is a prime.

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, 22472062 + ... + 22472731.

It is an arithmetic number, because the mean of its divisors is an integer number (2292184494).

Almost surely, 2^15056505655 is an apocalyptic number.

15056505655 is a deficient number, since it is larger than the sum of its proper divisors (3280970297).

15056505655 is an equidigital number, since it uses as much as digits as its factorization.

15056505655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44944865.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 15056505655 in words is "fifteen billion, fifty-six million, five hundred five thousand, six hundred fifty-five".