13925552915 has 16 divisors (see below), whose sum is σ = 17258222880. Its totient is φ = 10778768640.

The previous prime is 13925552911. The next prime is 13925552923. The reversal of 13925552915 is 51925552931.

It is not a de Polignac number, because 13925552915 - 2² = 13925552911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13925552915.

It is not an unprimeable number, because it can be changed into a prime (13925552911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177146 + ... + 243375.

It is an arithmetic number, because the mean of its divisors is an integer number (1078638930).

Almost surely, 2^13925552915 is an apocalyptic number.

13925552915 is a deficient number, since it is larger than the sum of its proper divisors (3332669965).

13925552915 is a wasteful number, since it uses less digits than its factorization.

13925552915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420742.

The product of its digits is 607500, while the sum is 47.

The spelling of 13925552915 in words is "thirteen billion, nine hundred twenty-five million, five hundred fifty-two thousand, nine hundred fifteen".