11230530525 has 72 divisors (see below), whose sum is σ = 21214371360. Its totient is φ = 5887909440.

The previous prime is 11230530523. The next prime is 11230530557. The reversal of 11230530525 is 52503503211.

It is a happy number.

11230530525 is a `hidden beast` number, since 1 + 123 + 0 + 530 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 11230530525 - 2¹ = 11230530523 is a prime.

It is a super-2 number, since 2×11230530525² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230530523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 342759 + ... + 374091.

Almost surely, 2^11230530525 is an apocalyptic number.

11230530525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11230530525 is a deficient number, since it is larger than the sum of its proper divisors (9983840835).

11230530525 is an equidigital number, since it uses as much as digits as its factorization.

11230530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31417 (or 31400 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 11230530525 in words is "eleven billion, two hundred thirty million, five hundred thirty thousand, five hundred twenty-five".