15980465356 has 24 divisors (see below), whose sum is σ = 29485496880. Its totient is φ = 7557403392.

The previous prime is 15980465233. The next prime is 15980465357. The reversal of 15980465356 is 65356408951.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15980465357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123505 + ... + 217288.

It is an arithmetic number, because the mean of its divisors is an integer number (1228562370).

Almost surely, 2^15980465356 is an apocalyptic number.

It is an amenable number.

15980465356 is a deficient number, since it is larger than the sum of its proper divisors (13505031524).

15980465356 is a wasteful number, since it uses less digits than its factorization.

15980465356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341433 (or 341431 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 15980465356 in words is "fifteen billion, nine hundred eighty million, four hundred sixty-five thousand, three hundred fifty-six".