2560915655992 has 8 divisors (see below), whose sum is σ = 4801716855000. Its totient is φ = 1280457827992.

The previous prime is 2560915655933. The next prime is 2560915655993. The reversal of 2560915655992 is 2995565190652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560915655993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160057228492 + ... + 160057228507.

It is an arithmetic number, because the mean of its divisors is an integer number (600214606875).

Almost surely, 2^{2560915655992} is an apocalyptic number.

It is an amenable number.

2560915655992 is a deficient number, since it is larger than the sum of its proper divisors (2240801199008).

2560915655992 is a wasteful number, since it uses less digits than its factorization.

2560915655992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320114457005 (or 320114457001 counting only the distinct ones).

The product of its (nonzero) digits is 65610000, while the sum is 64.

The spelling of 2560915655992 in words is "two trillion, five hundred sixty billion, nine hundred fifteen million, six hundred fifty-five thousand, nine hundred ninety-two".