2551405131244 has 6 divisors (see below), whose sum is σ = 4464958979684. Its totient is φ = 1275702565620.

The previous prime is 2551405131239. The next prime is 2551405131257. The reversal of 2551405131244 is 4421315041552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318925641402 + ... + 318925641409.

Almost surely, 2^{2551405131244} is an apocalyptic number.

It is an amenable number.

2551405131244 is a deficient number, since it is larger than the sum of its proper divisors (1913553848440).

2551405131244 is a wasteful number, since it uses less digits than its factorization.

2551405131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637851282815 (or 637851282813 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 2551405131244 in words is "two trillion, five hundred fifty-one billion, four hundred five million, one hundred thirty-one thousand, two hundred forty-four".