2561412700357 has 16 divisors (see below), whose sum is σ = 2976843787264. Its totient is φ = 2158397280000.

The previous prime is 2561412700349. The next prime is 2561412700411. The reversal of 2561412700357 is 7530072141652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2561412700357 - 2³ = 2561412700349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561412700337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704244 + ... + 2370397.

It is an arithmetic number, because the mean of its divisors is an integer number (186052736704).

Almost surely, 2^{2561412700357} is an apocalyptic number.

It is an amenable number.

2561412700357 is a deficient number, since it is larger than the sum of its proper divisors (415431086907).

2561412700357 is a wasteful number, since it uses less digits than its factorization.

2561412700357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076660.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 2561412700357 in words is "two trillion, five hundred sixty-one billion, four hundred twelve million, seven hundred thousand, three hundred fifty-seven".