11557226233512 has 112 divisors (see below), whose sum is σ = 32503284764640. Its totient is φ = 3850814102688.

The previous prime is 11557226233493. The next prime is 11557226233517. The reversal of 11557226233512 is 21533262275511.

11557226233512 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 7 + 2 + 2 + 623 + 3 + 5 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (11557226233517) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13722003 + ... + 14539869.

Almost surely, 2^{11557226233512} is an apocalyptic number.

11557226233512 is a gapful number since it is divisible by the number (12) 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 11557226233512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16251642382320).

11557226233512 is an abundant number, since it is smaller than the sum of its proper divisors (20946058531128).

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

11557226233512 is an equidigital number, since it uses as much as digits as its factorization.

11557226233512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820314 (or 820295 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 11557226233512 in words is "eleven trillion, five hundred fifty-seven billion, two hundred twenty-six million, two hundred thirty-three thousand, five hundred twelve".