11902882815 has 96 divisors (see below), whose sum is σ = 21971476800. Its totient is φ = 5950371840.

The previous prime is 11902882813. The next prime is 11902882819. The reversal of 11902882815 is 51828820911.

11902882815 is a `hidden beast` number, since 1 + 1 + 90 + 288 + 281 + 5 = 666.

It is not a de Polignac number, because 11902882815 - 2¹ = 11902882813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902882813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14392432 + ... + 14393258.

It is an arithmetic number, because the mean of its divisors is an integer number (228869550).

Almost surely, 2^11902882815 is an apocalyptic number.

11902882815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11902882815 is a deficient number, since it is larger than the sum of its proper divisors (10068593985).

11902882815 is a wasteful number, since it uses less digits than its factorization.

11902882815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The spelling of 11902882815 in words is "eleven billion, nine hundred two million, eight hundred eighty-two thousand, eight hundred fifteen".