11133252525 has 48 divisors (see below), whose sum is σ = 18654252480. Its totient is φ = 5858265600.

The previous prime is 11133252497. The next prime is 11133252539. The reversal of 11133252525 is 52525233111.

It is not a de Polignac number, because 11133252525 - 2⁶ = 11133252461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133252492 and 11133252501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3609634 + ... + 3612716.

It is an arithmetic number, because the mean of its divisors is an integer number (388630260).

Almost surely, 2^11133252525 is an apocalyptic number.

11133252525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11133252525 is a deficient number, since it is larger than the sum of its proper divisors (7520999955).

11133252525 is a wasteful number, since it uses less digits than its factorization.

11133252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726 (or 3721 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

Adding to 11133252525 its reverse (52525233111), we get a palindrome (63658485636).

The spelling of 11133252525 in words is "eleven billion, one hundred thirty-three million, two hundred fifty-two thousand, five hundred twenty-five".