11294012520 has 512 divisors, whose sum is σ = 44706816000. Its totient is φ = 2482513920.

The previous prime is 11294012507. The next prime is 11294012531. The reversal of 11294012520 is 2521049211.

11294012520 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 401 + 252 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25726461 + ... + 25726899.

It is an arithmetic number, because the mean of its divisors is an integer number (87318000).

Almost surely, 2^11294012520 is an apocalyptic number.

11294012520 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 11294012520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22353408000).

11294012520 is an abundant number, since it is smaller than the sum of its proper divisors (33412803480).

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

11294012520 is a wasteful number, since it uses less digits than its factorization.

11294012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 11294012520 in words is "eleven billion, two hundred ninety-four million, twelve thousand, five hundred twenty".