51414004860725 has 12 divisors (see below), whose sum is σ = 68657471106756. Its totient is φ = 37967265127680.

The previous prime is 51414004860719. The next prime is 51414004860737. The reversal of 51414004860725 is 52706840041415.

It can be written as a sum of positive squares in 6 ways, for example, as 4875930838801 + 46538074021924 = 2208151^2 + 6821882^2 .

It is not a de Polignac number, because 51414004860725 - 2⁶ = 51414004860661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51414004860725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79098468692 + ... + 79098469341.

It is an arithmetic number, because the mean of its divisors is an integer number (5721455925563).

Almost surely, 2^{51414004860725} is an apocalyptic number.

It is an amenable number.

51414004860725 is a deficient number, since it is larger than the sum of its proper divisors (17243466246031).

51414004860725 is a wasteful number, since it uses less digits than its factorization.

51414004860725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158196938056 (or 158196938051 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 51414004860725 in words is "fifty-one trillion, four hundred fourteen billion, four million, eight hundred sixty thousand, seven hundred twenty-five".