11612615225 has 24 divisors (see below), whose sum is σ = 15183447840. Its totient is φ = 8786085120.

The previous prime is 11612615167. The next prime is 11612615239. The reversal of 11612615225 is 52251621611.

It is a de Polignac number, because none of the positive numbers 2^k-11612615225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11612615191 and 11612615200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261062 + ... + 302288.

It is an arithmetic number, because the mean of its divisors is an integer number (632643660).

Almost surely, 2^11612615225 is an apocalyptic number.

It is an amenable number.

11612615225 is a deficient number, since it is larger than the sum of its proper divisors (3570832615).

11612615225 is a wasteful number, since it uses less digits than its factorization.

11612615225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41849 (or 41844 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The spelling of 11612615225 in words is "eleven billion, six hundred twelve million, six hundred fifteen thousand, two hundred twenty-five".