11725322646 has 32 divisors (see below), whose sum is σ = 24024591360. Its totient is φ = 3812999904.

The previous prime is 11725322629. The next prime is 11725322663. The reversal of 11725322646 is 64622352711.

It is an interprime number because it is at equal distance from previous prime (11725322629) and next prime (11725322663).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193435 + ... + 246713.

It is an arithmetic number, because the mean of its divisors is an integer number (750768480).

Almost surely, 2^11725322646 is an apocalyptic number.

11725322646 is an abundant number, since it is smaller than the sum of its proper divisors (12299268714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11725322646 is a wasteful number, since it uses less digits than its factorization.

11725322646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54180.

The product of its digits is 120960, while the sum is 39.

The spelling of 11725322646 in words is "eleven billion, seven hundred twenty-five million, three hundred twenty-two thousand, six hundred forty-six".