11631604325 has 12 divisors (see below), whose sum is σ = 15734388768. Its totient is φ = 8459348400.

The previous prime is 11631604307. The next prime is 11631604331. The reversal of 11631604325 is 52340613611.

It is not a de Polignac number, because 11631604325 - 2¹² = 11631600229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11631604291 and 11631604300.

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, 21148097 + ... + 21148646.

It is an arithmetic number, because the mean of its divisors is an integer number (1311199064).

Almost surely, 2^11631604325 is an apocalyptic number.

It is an amenable number.

11631604325 is a deficient number, since it is larger than the sum of its proper divisors (4102784443).

11631604325 is a wasteful number, since it uses less digits than its factorization.

11631604325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42296764 (or 42296759 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11631604325 in words is "eleven billion, six hundred thirty-one million, six hundred four thousand, three hundred twenty-five".