51313524121 has 8 divisors (see below), whose sum is σ = 51760535904. Its totient is φ = 50867350560.

The previous prime is 51313524107. The next prime is 51313524131. The reversal of 51313524121 is 12142531315.

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 51313524121 - 2⁵ = 51313524089 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 51313524121.

It is not an unprimeable number, because it can be changed into a prime (51313524131) 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, 86275 + ... + 331768.

It is an arithmetic number, because the mean of its divisors is an integer number (6470066988).

Almost surely, 2^51313524121 is an apocalyptic number.

It is an amenable number.

51313524121 is a deficient number, since it is larger than the sum of its proper divisors (447011783).

51313524121 is a wasteful number, since it uses less digits than its factorization.

51313524121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419111.

The product of its digits is 3600, while the sum is 28.

The spelling of 51313524121 in words is "fifty-one billion, three hundred thirteen million, five hundred twenty-four thousand, one hundred twenty-one".