15316156540 has 12 divisors (see below), whose sum is σ = 32163928776. Its totient is φ = 6126462608.

The previous prime is 15316156529. The next prime is 15316156567. The reversal of 15316156540 is 4565161351.

It is a self number, because there is not a number n which added to its sum of digits gives 15316156540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382903894 + ... + 382903933.

It is an arithmetic number, because the mean of its divisors is an integer number (2680327398).

Almost surely, 2^15316156540 is an apocalyptic number.

15316156540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15316156540 is an abundant number, since it is smaller than the sum of its proper divisors (16847772236).

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

15316156540 is a wasteful number, since it uses less digits than its factorization.

15316156540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765807836 (or 765807834 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 15316156540 in words is "fifteen billion, three hundred sixteen million, one hundred fifty-six thousand, five hundred forty".