11215362912 has 48 divisors (see below), whose sum is σ = 31704971760. Its totient is φ = 3450880512.

The previous prime is 11215362839. The next prime is 11215362919. The reversal of 11215362912 is 21926351211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215362919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492087 + ... + 4494582.

It is an arithmetic number, because the mean of its divisors is an integer number (660520245).

Almost surely, 2^11215362912 is an apocalyptic number.

11215362912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11215362912 is an abundant number, since it is smaller than the sum of its proper divisors (20489608848).

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

11215362912 is a wasteful number, since it uses less digits than its factorization.

11215362912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986695 (or 8986687 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The spelling of 11215362912 in words is "eleven billion, two hundred fifteen million, three hundred sixty-two thousand, nine hundred twelve".