51365511334 has 32 divisors (see below), whose sum is σ = 78810652800. Its totient is φ = 25103070720.

The previous prime is 51365511317. The next prime is 51365511377. The reversal of 51365511334 is 43311556315.

It is a junction number, because it is equal to n+sod(n) for n = 51365511293 and 51365511302.

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, 6966802 + ... + 6974170.

It is an arithmetic number, because the mean of its divisors is an integer number (2462832900).

Almost surely, 2^51365511334 is an apocalyptic number.

51365511334 is a deficient number, since it is larger than the sum of its proper divisors (27445141466).

51365511334 is a wasteful number, since it uses less digits than its factorization.

51365511334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888.

The product of its digits is 81000, while the sum is 37.

The spelling of 51365511334 in words is "fifty-one billion, three hundred sixty-five million, five hundred eleven thousand, three hundred thirty-four".