15556001000650 has 48 divisors (see below), whose sum is σ = 31572999921888. Its totient is φ = 5655211560000.

The previous prime is 15556001000623. The next prime is 15556001000663. The reversal of 15556001000650 is 5600010065551.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735176 + ... + 5841475.

It is an arithmetic number, because the mean of its divisors is an integer number (657770831706).

Almost surely, 2^{15556001000650} is an apocalyptic number.

15556001000650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15556001000650 is an abundant number, since it is smaller than the sum of its proper divisors (16016998921238).

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

15556001000650 is a wasteful number, since it uses less digits than its factorization.

15556001000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580407 (or 7580402 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 15556001000650 in words is "fifteen trillion, five hundred fifty-six billion, one million, six hundred fifty", and thus it is an aban number.