53121100051124 has 72 divisors (see below), whose sum is σ = 109448550519840. Its totient is φ = 22490602876224.

The previous prime is 53121100051111. The next prime is 53121100051153. The reversal of 53121100051124 is 42115000112135.

It is a junction number, because it is equal to n+sod(n) for n = 53121100051093 and 53121100051102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315986939 + ... + 316155005.

It is an arithmetic number, because the mean of its divisors is an integer number (1520118757220).

Almost surely, 2^{53121100051124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53121100051124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54724275259920).

53121100051124 is an abundant number, since it is smaller than the sum of its proper divisors (56327450468716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53121100051124 is a wasteful number, since it uses less digits than its factorization.

53121100051124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187597 (or 187588 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 53121100051124 its reverse (42115000112135), we get a palindrome (95236100163259).

The spelling of 53121100051124 in words is "fifty-three trillion, one hundred twenty-one billion, one hundred million, fifty-one thousand, one hundred twenty-four".