2561431410352 has 20 divisors (see below), whose sum is σ = 4973632832056. Its totient is φ = 1277913260160.

The previous prime is 2561431410289. The next prime is 2561431410383. The reversal of 2561431410352 is 2530141341652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175145274 + ... + 175159897.

Almost surely, 2^{2561431410352} is an apocalyptic number.

It is an amenable number.

2561431410352 is a deficient number, since it is larger than the sum of its proper divisors (2412201421704).

2561431410352 is a wasteful number, since it uses less digits than its factorization.

2561431410352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350305636 (or 350305630 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 2561431410352 in words is "two trillion, five hundred sixty-one billion, four hundred thirty-one million, four hundred ten thousand, three hundred fifty-two".