9915150856 has 64 divisors (see below), whose sum is σ = 21882631680. Its totient is φ = 4168074240.

The previous prime is 9915150853. The next prime is 9915150857. The reversal of 9915150856 is 6580515199.

It is not an unprimeable number, because it can be changed into a prime (9915150853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35646 + ... + 145261.

It is an arithmetic number, because the mean of its divisors is an integer number (341916120).

Almost surely, 2^9915150856 is an apocalyptic number.

It is an amenable number.

9915150856 is an abundant number, since it is smaller than the sum of its proper divisors (11967480824).

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

9915150856 is a wasteful number, since it uses less digits than its factorization.

9915150856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180974 (or 180970 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 49.

The square root of 9915150856 is about 99574.8505195966. The cubic root of 9915150856 is about 2148.3239763693.

The spelling of 9915150856 in words is "nine billion, nine hundred fifteen million, one hundred fifty thousand, eight hundred fifty-six".