11115623425 has 24 divisors (see below), whose sum is σ = 14399596224. Its totient is φ = 8495847360.

The previous prime is 11115623401. The next prime is 11115623429. The reversal of 11115623425 is 52432651111.

It is not a de Polignac number, because 11115623425 - 2⁹ = 11115622913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115623429) 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, 496779 + ... + 518671.

It is an arithmetic number, because the mean of its divisors is an integer number (599983176).

Almost surely, 2^11115623425 is an apocalyptic number.

It is an amenable number.

11115623425 is a deficient number, since it is larger than the sum of its proper divisors (3283972799).

11115623425 is a wasteful number, since it uses less digits than its factorization.

11115623425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809 (or 22804 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The spelling of 11115623425 in words is "eleven billion, one hundred fifteen million, six hundred twenty-three thousand, four hundred twenty-five".