52131256104 has 32 divisors (see below), whose sum is σ = 130739289120. Its totient is φ = 17322265536.

The previous prime is 52131256081. The next prime is 52131256141. The reversal of 52131256104 is 40165213125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418474 + ... + 3433689.

It is an arithmetic number, because the mean of its divisors is an integer number (4085602785).

Almost surely, 2^52131256104 is an apocalyptic number.

It is an amenable number.

52131256104 is an abundant number, since it is smaller than the sum of its proper divisors (78608033016).

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

52131256104 is a wasteful number, since it uses less digits than its factorization.

52131256104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852489 (or 6852485 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 52131256104 its reverse (40165213125), we get a palindrome (92296469229).

The spelling of 52131256104 in words is "fifty-two billion, one hundred thirty-one million, two hundred fifty-six thousand, one hundred four".