51541712744722 has 16 divisors (see below), whose sum is σ = 77682847532760. Its totient is φ = 25647524926848.

The previous prime is 51541712744693. The next prime is 51541712744737. The reversal of 51541712744722 is 22744721714515.

It can be written as a sum of positive squares in 4 ways, for example, as 47089912359681 + 4451800385041 = 6862209^2 + 2109929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51541712744722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22583293 + ... + 24760624.

Almost surely, 2^{51541712744722} is an apocalyptic number.

51541712744722 is a deficient number, since it is larger than the sum of its proper divisors (26141134788038).

51541712744722 is a wasteful number, since it uses less digits than its factorization.

51541712744722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47346525.

The product of its digits is 4390400, while the sum is 52.

The spelling of 51541712744722 in words is "fifty-one trillion, five hundred forty-one billion, seven hundred twelve million, seven hundred forty-four thousand, seven hundred twenty-two".