15503000650 has 24 divisors (see below), whose sum is σ = 28874669760. Its totient is φ = 6192794160.

The previous prime is 15503000633. The next prime is 15503000651. The reversal of 15503000650 is 5600030551.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (15503000651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172834 + ... + 246733.

It is an arithmetic number, because the mean of its divisors is an integer number (1203111240).

Almost surely, 2^15503000650 is an apocalyptic number.

15503000650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15503000650 is a deficient number, since it is larger than the sum of its proper divisors (13371669110).

15503000650 is a wasteful number, since it uses less digits than its factorization.

15503000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420318 (or 420313 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 15503000650 in words is "fifteen billion, five hundred three million, six hundred fifty", and thus it is an aban number.