2650555131565 has 32 divisors (see below), whose sum is σ = 3532067596800. Its totient is φ = 1893314142720.

The previous prime is 2650555131491. The next prime is 2650555131583. The reversal of 2650555131565 is 5651315550562.

It is not a de Polignac number, because 2650555131565 - 2⁷ = 2650555131437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421510 + ... + 2340679.

It is an arithmetic number, because the mean of its divisors is an integer number (110377112400).

Almost surely, 2^{2650555131565} is an apocalyptic number.

It is an amenable number.

2650555131565 is a deficient number, since it is larger than the sum of its proper divisors (881512465235).

2650555131565 is a wasteful number, since it uses less digits than its factorization.

2650555131565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762517.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 2650555131565 in words is "two trillion, six hundred fifty billion, five hundred fifty-five million, one hundred thirty-one thousand, five hundred sixty-five".