11213307936 has 72 divisors (see below), whose sum is σ = 32246208540. Its totient is φ = 3695763456.

The previous prime is 11213307923. The next prime is 11213307943. The reversal of 11213307936 is 63970331211.

It can be written as a sum of positive squares in 2 ways, for example, as 9436179600 + 1777128336 = 97140^2 + 42156^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11213307936.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193105 + ... + 244368.

Almost surely, 2^11213307936 is an apocalyptic number.

11213307936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11213307936 is an abundant number, since it is smaller than the sum of its proper divisors (21032900604).

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

11213307936 is a wasteful number, since it uses less digits than its factorization.

11213307936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437578 (or 437567 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 11213307936 in words is "eleven billion, two hundred thirteen million, three hundred seven thousand, nine hundred thirty-six".