11231358528 has 224 divisors, whose sum is σ = 34476244992. Its totient is φ = 3198412800.

The previous prime is 11231358511. The next prime is 11231358529. The reversal of 11231358528 is 82585313211.

It is a super-2 number, since 2×11231358528² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11231358529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776493 + ... + 1782803.

It is an arithmetic number, because the mean of its divisors is an integer number (153911808).

Almost surely, 2^11231358528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231358528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17238122496).

11231358528 is an abundant number, since it is smaller than the sum of its proper divisors (23244886464).

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

11231358528 is a wasteful number, since it uses less digits than its factorization.

11231358528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393 (or 6383 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The spelling of 11231358528 in words is "eleven billion, two hundred thirty-one million, three hundred fifty-eight thousand, five hundred twenty-eight".