15318185852 has 48 divisors (see below), whose sum is σ = 29994481440. Its totient is φ = 6802440192.

The previous prime is 15318185791. The next prime is 15318185893. The reversal of 15318185852 is 25858181351.

It is a junction number, because it is equal to n+sod(n) for n = 15318185797 and 15318185806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308978 + ... + 355110.

It is an arithmetic number, because the mean of its divisors is an integer number (624885030).

Almost surely, 2^15318185852 is an apocalyptic number.

It is an amenable number.

15318185852 is a deficient number, since it is larger than the sum of its proper divisors (14676295588).

15318185852 is a wasteful number, since it uses less digits than its factorization.

15318185852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46430 (or 46428 counting only the distinct ones).

The product of its digits is 384000, while the sum is 47.

The spelling of 15318185852 in words is "fifteen billion, three hundred eighteen million, one hundred eighty-five thousand, eight hundred fifty-two".