15504980423636 has 36 divisors (see below), whose sum is σ = 31240329513120. Its totient is φ = 6676785821520.

The previous prime is 15504980423599. The next prime is 15504980423671. The reversal of 15504980423636 is 63632408940551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488053256 + ... + 488085023.

It is an arithmetic number, because the mean of its divisors is an integer number (867786930920).

Almost surely, 2^{15504980423636} is an apocalyptic number.

It is an amenable number.

15504980423636 is an abundant number, since it is smaller than the sum of its proper divisors (15735349089484).

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

15504980423636 is a wasteful number, since it uses less digits than its factorization.

15504980423636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976138332 (or 976138311 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 15504980423636 in words is "fifteen trillion, five hundred four billion, nine hundred eighty million, four hundred twenty-three thousand, six hundred thirty-six".