2561310053364 has 48 divisors (see below), whose sum is σ = 6324067491840. Its totient is φ = 805147469280.

The previous prime is 2561310053359. The next prime is 2561310053411. The reversal of 2561310053364 is 4633500131652.

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, 65333284 + ... + 65372475.

It is an arithmetic number, because the mean of its divisors is an integer number (131751406080).

Almost surely, 2^{2561310053364} is an apocalyptic number.

It is an amenable number.

2561310053364 is an abundant number, since it is smaller than the sum of its proper divisors (3762757438476).

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

2561310053364 is a wasteful number, since it uses less digits than its factorization.

2561310053364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130705860 (or 130705858 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 2561310053364 in words is "two trillion, five hundred sixty-one billion, three hundred ten million, fifty-three thousand, three hundred sixty-four".