11525444452 has 12 divisors (see below), whose sum is σ = 20323494576. Its totient is φ = 5718731720.

The previous prime is 11525444449. The next prime is 11525444521. The reversal of 11525444452 is 25444452511.

It is a super-2 number, since 2×11525444452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10997038 + ... + 10998085.

It is an arithmetic number, because the mean of its divisors is an integer number (1693624548).

Almost surely, 2^11525444452 is an apocalyptic number.

It is an amenable number.

11525444452 is a deficient number, since it is larger than the sum of its proper divisors (8798050124).

11525444452 is a wasteful number, since it uses less digits than its factorization.

11525444452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21995258 (or 21995256 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

Adding to 11525444452 its reverse (25444452511), we get a palindrome (36969896963).

The spelling of 11525444452 in words is "eleven billion, five hundred twenty-five million, four hundred forty-four thousand, four hundred fifty-two".