11294737920 has 120 divisors (see below), whose sum is σ = 39116933856. Its totient is φ = 3011923968.

The previous prime is 11294737913. The next prime is 11294737921. The reversal of 11294737920 is 2973749211.

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

It is a super-2 number, since 2×11294737920² (a number of 21 digits) contains 22 as substring.

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 (11294737921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222072 + ... + 268151.

Almost surely, 2^11294737920 is an apocalyptic number.

11294737920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11294737920 is an abundant number, since it is smaller than the sum of its proper divisors (27822195936).

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

11294737920 is an equidigital number, since it uses as much as digits as its factorization.

11294737920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490252 (or 490233 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 11294737920 in words is "eleven billion, two hundred ninety-four million, seven hundred thirty-seven thousand, nine hundred twenty".