51086101244542 has 32 divisors (see below), whose sum is σ = 94791547553472. Its totient is φ = 20107297937664.

The previous prime is 51086101244509. The next prime is 51086101244561. The reversal of 51086101244542 is 24544210168015.

It is a congruent number.

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, 712382583 + ... + 712454290.

It is an arithmetic number, because the mean of its divisors is an integer number (2962235861046).

Almost surely, 2^{51086101244542} is an apocalyptic number.

51086101244542 is a deficient number, since it is larger than the sum of its proper divisors (43705446308930).

51086101244542 is a wasteful number, since it uses less digits than its factorization.

51086101244542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424837092.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 51086101244542 in words is "fifty-one trillion, eighty-six billion, one hundred one million, two hundred forty-four thousand, five hundred forty-two".