51135103083542 has 32 divisors (see below), whose sum is σ = 77552583451200. Its totient is φ = 25284849408000.

The previous prime is 51135103083527. The next prime is 51135103083599. The reversal of 51135103083542 is 24538030153115.

It is a super-2 number, since 2×51135103083542² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51135103083542.

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, 671652134 + ... + 671728262.

It is an arithmetic number, because the mean of its divisors is an integer number (2423518232850).

Almost surely, 2^{51135103083542} is an apocalyptic number.

51135103083542 is a deficient number, since it is larger than the sum of its proper divisors (26417480367658).

51135103083542 is a wasteful number, since it uses less digits than its factorization.

51135103083542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80072.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 51135103083542 in words is "fifty-one trillion, one hundred thirty-five billion, one hundred three million, eighty-three thousand, five hundred forty-two".