15006550645 has 64 divisors (see below), whose sum is σ = 19758816000. Its totient is φ = 10904924160.

The previous prime is 15006550633. The next prime is 15006550717. The reversal of 15006550645 is 54605560051.

It is not a de Polignac number, because 15006550645 - 2²¹ = 15004453493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62267725 + ... + 62267965.

It is an arithmetic number, because the mean of its divisors is an integer number (308731500).

Almost surely, 2^15006550645 is an apocalyptic number.

It is an amenable number.

15006550645 is a deficient number, since it is larger than the sum of its proper divisors (4752265355).

15006550645 is a wasteful number, since it uses less digits than its factorization.

15006550645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 15006550645 in words is "fifteen billion, six million, five hundred fifty thousand, six hundred forty-five".