52013111425 has 18 divisors (see below), whose sum is σ = 70892585414. Its totient is φ = 37827715200.

The previous prime is 52013111417. The next prime is 52013111473. The reversal of 52013111425 is 52411131025.

It can be written as a sum of positive squares in 3 ways, for example, as 379456 + 52012731969 = 616^2 + 228063^2 .

It is not a de Polignac number, because 52013111425 - 2³ = 52013111417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 52013111425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8594184 + ... + 8600233.

Almost surely, 2^52013111425 is an apocalyptic number.

52013111425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52013111425 is a deficient number, since it is larger than the sum of its proper divisors (18879473989).

52013111425 is a wasteful number, since it uses less digits than its factorization.

52013111425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17194449 (or 17194433 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 52013111425 in words is "fifty-two billion, thirteen million, one hundred eleven thousand, four hundred twenty-five".