11112220925 has 12 divisors (see below), whose sum is σ = 14839089300. Its totient is φ = 8205947520.

The previous prime is 11112220871. The next prime is 11112220937. The reversal of 11112220925 is 52902221111.

It can be written as a sum of positive squares in 6 ways, for example, as 320356 + 11111900569 = 566^2 + 105413^2 .

It is not a de Polignac number, because 11112220925 - 2²² = 11108026621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11112220894 and 11112220903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17095400 + ... + 17096049.

It is an arithmetic number, because the mean of its divisors is an integer number (1236590775).

Almost surely, 2^11112220925 is an apocalyptic number.

It is an amenable number.

11112220925 is a deficient number, since it is larger than the sum of its proper divisors (3726868375).

11112220925 is a wasteful number, since it uses less digits than its factorization.

11112220925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191472 (or 34191467 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 11112220925 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, nine hundred twenty-five".