11525221323 has 120 divisors (see below), whose sum is σ = 22329359360. Its totient is φ = 5792925600.

The previous prime is 11525221313. The next prime is 11525221327. The reversal of 11525221323 is 32312252511.

11525221323 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 522 + 132 + 3 = 666.

It is not a de Polignac number, because 11525221323 - 2⁴ = 11525221307 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11525221327) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2124108 + ... + 2129526.

Almost surely, 2^11525221323 is an apocalyptic number.

11525221323 is a deficient number, since it is larger than the sum of its proper divisors (10804138037).

11525221323 is a wasteful number, since it uses less digits than its factorization.

11525221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5471 counting only the distinct ones).

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

Adding to 11525221323 its reverse (32312252511), we get a palindrome (43837473834).

The spelling of 11525221323 in words is "eleven billion, five hundred twenty-five million, two hundred twenty-one thousand, three hundred twenty-three".