51345588666135 has 32 divisors (see below), whose sum is σ = 82209232465920. Its totient is φ = 27365556290688.

The previous prime is 51345588666107. The next prime is 51345588666137. The reversal of 51345588666135 is 53166688554315.

It is not a de Polignac number, because 51345588666135 - 2⁵ = 51345588666103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51345588666137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142320997 + ... + 142681313.

It is an arithmetic number, because the mean of its divisors is an integer number (2569038514560).

Almost surely, 2^{51345588666135} is an apocalyptic number.

51345588666135 is a deficient number, since it is larger than the sum of its proper divisors (30863643799785).

51345588666135 is a wasteful number, since it uses less digits than its factorization.

51345588666135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366807.

The product of its digits is 311040000, while the sum is 66.

The spelling of 51345588666135 in words is "fifty-one trillion, three hundred forty-five billion, five hundred eighty-eight million, six hundred sixty-six thousand, one hundred thirty-five".