9915150855 has 32 divisors (see below), whose sum is σ = 16784064000. Its totient is φ = 4984301952.

The previous prime is 9915150853. The next prime is 9915150857. The reversal of 9915150855 is 5580515199.

It is an interprime number because it is at equal distance from previous prime (9915150853) and next prime (9915150857).

It is not a de Polignac number, because 9915150855 - 2¹ = 9915150853 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 32155 + ... + 144444.

It is an arithmetic number, because the mean of its divisors is an integer number (524502000).

Almost surely, 2^9915150855 is an apocalyptic number.

9915150855 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9915150855 is a deficient number, since it is larger than the sum of its proper divisors (6868913145).

9915150855 is a wasteful number, since it uses less digits than its factorization.

9915150855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176823.

The product of its (nonzero) digits is 405000, while the sum is 48.

The square root of 9915150855 is about 99574.8505145752. The cubic root of 9915150855 is about 2148.3239762971.

The spelling of 9915150855 in words is "nine billion, nine hundred fifteen million, one hundred fifty thousand, eight hundred fifty-five".