51312511533134 has 16 divisors (see below), whose sum is σ = 77836718858400. Its totient is φ = 25366961794944.

The previous prime is 51312511533133. The next prime is 51312511533149. The reversal of 51312511533134 is 43133511521315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51312511533131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360922 + ... + 10221405.

It is an arithmetic number, because the mean of its divisors is an integer number (4864794928650).

Almost surely, 2^{51312511533134} is an apocalyptic number.

51312511533134 is a deficient number, since it is larger than the sum of its proper divisors (26524207325266).

51312511533134 is a wasteful number, since it uses less digits than its factorization.

51312511533134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11607307.

The product of its digits is 81000, while the sum is 38.

The spelling of 51312511533134 in words is "fifty-one trillion, three hundred twelve billion, five hundred eleven million, five hundred thirty-three thousand, one hundred thirty-four".