11131433525 has 24 divisors (see below), whose sum is σ = 13949628000. Its totient is φ = 8810942400.

The previous prime is 11131433501. The next prime is 11131433527. The reversal of 11131433525 is 52533413111.

It is not a de Polignac number, because 11131433525 - 2¹² = 11131429429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131433527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1138106 + ... + 1147844.

It is an arithmetic number, because the mean of its divisors is an integer number (581234500).

Almost surely, 2^11131433525 is an apocalyptic number.

It is an amenable number.

11131433525 is a deficient number, since it is larger than the sum of its proper divisors (2818194475).

11131433525 is a wasteful number, since it uses less digits than its factorization.

11131433525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229 (or 10224 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

Adding to 11131433525 its reverse (52533413111), we get a palindrome (63664846636).

The spelling of 11131433525 in words is "eleven billion, one hundred thirty-one million, four hundred thirty-three thousand, five hundred twenty-five".