2115025456566 has 32 divisors (see below), whose sum is σ = 4614770174976. Its totient is φ = 640893308000.

The previous prime is 2115025456559. The next prime is 2115025456573. The reversal of 2115025456566 is 6656545205112.

It is an interprime number because it is at equal distance from previous prime (2115025456559) and next prime (2115025456573).

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, 1270651 + ... + 2417561.

It is an arithmetic number, because the mean of its divisors is an integer number (144211567968).

Almost surely, 2^{2115025456566} is an apocalyptic number.

2115025456566 is an abundant number, since it is smaller than the sum of its proper divisors (2499744718410).

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

2115025456566 is a wasteful number, since it uses less digits than its factorization.

2115025456566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174868.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 2115025456566 in words is "two trillion, one hundred fifteen billion, twenty-five million, four hundred fifty-six thousand, five hundred sixty-six".