11215361115 has 64 divisors (see below), whose sum is σ = 22800153600. Its totient is φ = 5124010752.

The previous prime is 11215361029. The next prime is 11215361141. The reversal of 11215361115 is 51116351211.

11215361115 is a `hidden beast` number, since 1 + 12 + 1 + 536 + 1 + 115 = 666.

It is not a de Polignac number, because 11215361115 - 2⁷ = 11215360987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2788576 + ... + 2792594.

It is an arithmetic number, because the mean of its divisors is an integer number (356252400).

Almost surely, 2^11215361115 is an apocalyptic number.

11215361115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11215361115 is an abundant number, since it is smaller than the sum of its proper divisors (11584792485).

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

11215361115 is a wasteful number, since it uses less digits than its factorization.

11215361115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6987 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

The spelling of 11215361115 in words is "eleven billion, two hundred fifteen million, three hundred sixty-one thousand, one hundred fifteen".