2501772746056 has 16 divisors (see below), whose sum is σ = 4695528852540. Its totient is φ = 1249631718720.

The previous prime is 2501772746017. The next prime is 2501772746069. The reversal of 2501772746056 is 6506472771052.

It can be written as a sum of positive squares in 2 ways, for example, as 1876993161156 + 624779584900 = 1370034^2 + 790430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2501772745994 and 2501772746012.

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, 156823315 + ... + 156839266.

Almost surely, 2^{2501772746056} is an apocalyptic number.

It is an amenable number.

2501772746056 is a deficient number, since it is larger than the sum of its proper divisors (2193756106484).

2501772746056 is a wasteful number, since it uses less digits than its factorization.

2501772746056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313663584 (or 313663580 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 2501772746056 in words is "two trillion, five hundred one billion, seven hundred seventy-two million, seven hundred forty-six thousand, fifty-six".