1565160015500 has 24 divisors (see below), whose sum is σ = 3418309474944. Its totient is φ = 626064006000.

The previous prime is 1565160015481. The next prime is 1565160015611. The reversal of 1565160015500 is 55100615651.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 1565159516 + ... + 1565160515.

It is an arithmetic number, because the mean of its divisors is an integer number (142429561456).

Almost surely, 2^{1565160015500} is an apocalyptic number.

1565160015500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1565160015500 is an abundant number, since it is smaller than the sum of its proper divisors (1853149459444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1565160015500 is a wasteful number, since it uses less digits than its factorization.

1565160015500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130320050 (or 3130320038 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1565160015500 in words is "one trillion, five hundred sixty-five billion, one hundred sixty million, fifteen thousand, five hundred".