51005111005060 has 48 divisors (see below), whose sum is σ = 108182203122672. Its totient is φ = 20197995840000.

The previous prime is 51005111005033. The next prime is 51005111005139. The reversal of 51005111005060 is 6050011150015.

It can be written as a sum of positive squares in 8 ways, for example, as 25998230531716 + 25006880473344 = 5098846^2 + 5000688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18724894 + ... + 21275146.

It is an arithmetic number, because the mean of its divisors is an integer number (2253795898389).

Almost surely, 2^{51005111005060} is an apocalyptic number.

It is an amenable number.

51005111005060 is an abundant number, since it is smaller than the sum of its proper divisors (57177092117612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51005111005060 is a wasteful number, since it uses less digits than its factorization.

51005111005060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560264 (or 2560262 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51005111005060 its reverse (6050011150015), we get a palindrome (57055122155075).

The spelling of 51005111005060 in words is "fifty-one trillion, five billion, one hundred eleven million, five thousand, sixty".