53121425104 has 160 divisors (see below), whose sum is σ = 123331963392. Its totient is φ = 21888000000.

The previous prime is 53121425051. The next prime is 53121425111. The reversal of 53121425104 is 40152412135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11178729 + ... + 11183479.

Almost surely, 2^53121425104 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 53121425104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61665981696).

53121425104 is an abundant number, since it is smaller than the sum of its proper divisors (70210538288).

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

53121425104 is a wasteful number, since it uses less digits than its factorization.

53121425104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 53121425104 its reverse (40152412135), we get a palindrome (93273837239).

It can be divided in two parts, 5312 and 1425104, that added together give a square (1430416 = 1196²).

The spelling of 53121425104 in words is "fifty-three billion, one hundred twenty-one million, four hundred twenty-five thousand, one hundred four".