51513100541 has 16 divisors (see below), whose sum is σ = 60003504000. Its totient is φ = 43308883968.

The previous prime is 51513100537. The next prime is 51513100559. The reversal of 51513100541 is 14500131515.

It is not a de Polignac number, because 51513100541 - 2² = 51513100537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51513100541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51513100571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46541 + ... + 324333.

It is an arithmetic number, because the mean of its divisors is an integer number (3750219000).

Almost surely, 2^51513100541 is an apocalyptic number.

It is an amenable number.

51513100541 is a deficient number, since it is larger than the sum of its proper divisors (8490403459).

51513100541 is a wasteful number, since it uses less digits than its factorization.

51513100541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278308.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51513100541 in words is "fifty-one billion, five hundred thirteen million, one hundred thousand, five hundred forty-one".