51236225656122 has 32 divisors (see below), whose sum is σ = 111223884183552. Its totient is φ = 15640858707264.

The previous prime is 51236225656079. The next prime is 51236225656151. The reversal of 51236225656122 is 22165652263215.

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, 2586110913 + ... + 2586130724.

It is an arithmetic number, because the mean of its divisors is an integer number (3475746380736).

Almost surely, 2^{51236225656122} is an apocalyptic number.

51236225656122 is an abundant number, since it is smaller than the sum of its proper divisors (59987658527430).

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

51236225656122 is a wasteful number, since it uses less digits than its factorization.

51236225656122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172241782.

The product of its digits is 2592000, while the sum is 48.

The spelling of 51236225656122 in words is "fifty-one trillion, two hundred thirty-six billion, two hundred twenty-five million, six hundred fifty-six thousand, one hundred twenty-two".