15730008642865 has 16 divisors (see below), whose sum is σ = 21487316155776. Its totient is φ = 10942614707200.

The previous prime is 15730008642823. The next prime is 15730008642877. The reversal of 15730008642865 is 56824680003751.

It is a happy number.

It is not a de Polignac number, because 15730008642865 - 2¹⁵ = 15730008610097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian 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, 6217393456 + ... + 6217395985.

It is an arithmetic number, because the mean of its divisors is an integer number (1342957259736).

Almost surely, 2^{15730008642865} is an apocalyptic number.

It is an amenable number.

15730008642865 is a deficient number, since it is larger than the sum of its proper divisors (5757307512911).

15730008642865 is a wasteful number, since it uses less digits than its factorization.

15730008642865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434789480.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 15730008642865 in words is "fifteen trillion, seven hundred thirty billion, eight million, six hundred forty-two thousand, eight hundred sixty-five".