11615560650 has 48 divisors (see below), whose sum is σ = 32007326400. Its totient is φ = 3097482480.

The previous prime is 11615560639. The next prime is 11615560657. The reversal of 11615560650 is 5606551611.

It is not an unprimeable number, because it can be changed into a prime (11615560657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4300710 + ... + 4303409.

It is an arithmetic number, because the mean of its divisors is an integer number (666819300).

Almost surely, 2^11615560650 is an apocalyptic number.

11615560650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11615560650 is an abundant number, since it is smaller than the sum of its proper divisors (20391765750).

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

11615560650 is a wasteful number, since it uses less digits than its factorization.

11615560650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604140 (or 8604129 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 11615560650 in words is "eleven billion, six hundred fifteen million, five hundred sixty thousand, six hundred fifty".