51135413780474 has 8 divisors (see below), whose sum is σ = 77211088357728. Its totient is φ = 25398384327900.

The previous prime is 51135413780453. The next prime is 51135413780491. The reversal of 51135413780474 is 47408731453115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51135413780474² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84661280792 + ... + 84661281395.

It is an arithmetic number, because the mean of its divisors is an integer number (9651386044716).

Almost surely, 2^{51135413780474} is an apocalyptic number.

51135413780474 is a deficient number, since it is larger than the sum of its proper divisors (26075674577254).

51135413780474 is a wasteful number, since it uses less digits than its factorization.

51135413780474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169322562340.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 51135413780474 in words is "fifty-one trillion, one hundred thirty-five billion, four hundred thirteen million, seven hundred eighty thousand, four hundred seventy-four".