15275806802005 has 16 divisors (see below), whose sum is σ = 19243006502400. Its totient is φ = 11625983081280.

The previous prime is 15275806801979. The next prime is 15275806802051. The reversal of 15275806802005 is 50020860857251.

It is not a de Polignac number, because 15275806802005 - 2⁵ = 15275806801973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15275806802005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835190790 + ... + 835209079.

It is an arithmetic number, because the mean of its divisors is an integer number (1202687906400).

Almost surely, 2^{15275806802005} is an apocalyptic number.

It is an amenable number.

15275806802005 is a deficient number, since it is larger than the sum of its proper divisors (3967199700395).

15275806802005 is a wasteful number, since it uses less digits than its factorization.

15275806802005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670399964.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 15275806802005 in words is "fifteen trillion, two hundred seventy-five billion, eight hundred six million, eight hundred two thousand, five".