11431025025 has 72 divisors (see below), whose sum is σ = 22108986720. Its totient is φ = 5196119040.

The previous prime is 11431025009. The next prime is 11431025027. The reversal of 11431025025 is 52052013411.

It is a happy number.

It is not a de Polignac number, because 11431025025 - 2⁴ = 11431025009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11431024986 and 11431025004.

It is not an unprimeable number, because it can be changed into a prime (11431025027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 649137 + ... + 666513.

It is an arithmetic number, because the mean of its divisors is an integer number (307069260).

Almost surely, 2^11431025025 is an apocalyptic number.

11431025025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11431025025 is a deficient number, since it is larger than the sum of its proper divisors (10677961695).

11431025025 is a wasteful number, since it uses less digits than its factorization.

11431025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583 (or 17571 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11431025025 its reverse (52052013411), we get a palindrome (63483038436).

The spelling of 11431025025 in words is "eleven billion, four hundred thirty-one million, twenty-five thousand, twenty-five".