11231524530 has 64 divisors (see below), whose sum is σ = 31527100800. Its totient is φ = 2837436480.

The previous prime is 11231524501. The next prime is 11231524531. The reversal of 11231524530 is 3542513211.

11231524530 is a `hidden beast` number, since 1 + 123 + 1 + 5 + 2 + 4 + 530 = 666.

It is a super-2 number, since 2×11231524530² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11231524494 and 11231524503.

It is not an unprimeable number, because it can be changed into a prime (11231524531) 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, 1089561 + ... + 1099820.

It is an arithmetic number, because the mean of its divisors is an integer number (492610950).

Almost surely, 2^11231524530 is an apocalyptic number.

11231524530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231524530 is an abundant number, since it is smaller than the sum of its proper divisors (20295576270).

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

11231524530 is a wasteful number, since it uses less digits than its factorization.

11231524530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189416 (or 2189410 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11231524530 in words is "eleven billion, two hundred thirty-one million, five hundred twenty-four thousand, five hundred thirty".