11157336720 has 120 divisors (see below), whose sum is σ = 37497260736. Its totient is φ = 2973129984.

The previous prime is 11157336713. The next prime is 11157336733. The reversal of 11157336720 is 2763375111.

11157336720 is a `hidden beast` number, since 1 + 1 + 1 + 573 + 3 + 67 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1152219 + ... + 1161861.

Almost surely, 2^11157336720 is an apocalyptic number.

11157336720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11157336720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18748630368).

11157336720 is an abundant number, since it is smaller than the sum of its proper divisors (26339924016).

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

11157336720 is a wasteful number, since it uses less digits than its factorization.

11157336720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 11157336720 in words is "eleven billion, one hundred fifty-seven million, three hundred thirty-six thousand, seven hundred twenty".