11645630432 has 24 divisors (see below), whose sum is σ = 23241412656. Its totient is φ = 5743049472.

The previous prime is 11645630389. The next prime is 11645630443. The reversal of 11645630432 is 23403654611.

It is a junction number, because it is equal to n+sod(n) for n = 11645630392 and 11645630401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490308 + ... + 2494979.

It is an arithmetic number, because the mean of its divisors is an integer number (968392194).

Almost surely, 2^11645630432 is an apocalyptic number.

It is an amenable number.

11645630432 is a deficient number, since it is larger than the sum of its proper divisors (11595782224).

11645630432 is an equidigital number, since it uses as much as digits as its factorization.

11645630432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985370 (or 4985362 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 11645630432 in words is "eleven billion, six hundred forty-five million, six hundred thirty thousand, four hundred thirty-two".