11031232525 has 24 divisors (see below), whose sum is σ = 13979176704. Its totient is φ = 8631403200.

The previous prime is 11031232507. The next prime is 11031232529. The reversal of 11031232525 is 52523213011.

It is not a de Polignac number, because 11031232525 - 2¹⁵ = 11031199757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11031232525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031232529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2795704 + ... + 2799646.

It is an arithmetic number, because the mean of its divisors is an integer number (582465696).

Almost surely, 2^11031232525 is an apocalyptic number.

It is an amenable number.

11031232525 is a deficient number, since it is larger than the sum of its proper divisors (2947944179).

11031232525 is a wasteful number, since it uses less digits than its factorization.

11031232525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11031232525 its reverse (52523213011), we get a palindrome (63554445536).

The spelling of 11031232525 in words is "eleven billion, thirty-one million, two hundred thirty-two thousand, five hundred twenty-five".