13943258125 has 10 divisors (see below), whose sum is σ = 17423496134. Its totient is φ = 11154606000.

The previous prime is 13943258117. The next prime is 13943258137. The reversal of 13943258125 is 52185234931.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 7553174281 + 6390083844 = 86909^2 + 79938^2 .

It is not a de Polignac number, because 13943258125 - 2³ = 13943258117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11153982 + ... + 11155231.

Almost surely, 2^13943258125 is an apocalyptic number.

It is an amenable number.

13943258125 is a deficient number, since it is larger than the sum of its proper divisors (3480238009).

13943258125 is an frugal number, since it uses more digits than its factorization.

13943258125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22309233 (or 22309218 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 13943258125 in words is "thirteen billion, nine hundred forty-three million, two hundred fifty-eight thousand, one hundred twenty-five".