51312511533135 has 8 divisors (see below), whose sum is σ = 82100018453040. Its totient is φ = 27366672817664.

The previous prime is 51312511533133. The next prime is 51312511533149. The reversal of 51312511533135 is 53133511521315.

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

It is a cyclic number.

It is not a de Polignac number, because 51312511533135 - 2¹ = 51312511533133 is a prime.

It is a super-2 number, since 2×51312511533135² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51312511533093 and 51312511533102.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710417051090 + ... + 1710417051119.

It is an arithmetic number, because the mean of its divisors is an integer number (10262502306630).

Almost surely, 2^{51312511533135} is an apocalyptic number.

51312511533135 is a deficient number, since it is larger than the sum of its proper divisors (30787506919905).

51312511533135 is a wasteful number, since it uses less digits than its factorization.

51312511533135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420834102217.

The product of its digits is 101250, while the sum is 39.

The spelling of 51312511533135 in words is "fifty-one trillion, three hundred twelve billion, five hundred eleven million, five hundred thirty-three thousand, one hundred thirty-five".