11645722647320 has 32 divisors (see below), whose sum is σ = 26812245168720. Its totient is φ = 4549956754560.

The previous prime is 11645722647289. The next prime is 11645722647323. The reversal of 11645722647320 is 2374622754611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645722647323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385382771 + ... + 3385386210.

Almost surely, 2^{11645722647320} is an apocalyptic number.

11645722647320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11645722647320 is an abundant number, since it is smaller than the sum of its proper divisors (15166522521400).

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

11645722647320 is a wasteful number, since it uses less digits than its factorization.

11645722647320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770769035 (or 6770769031 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 11645722647320 in words is "eleven trillion, six hundred forty-five billion, seven hundred twenty-two million, six hundred forty-seven thousand, three hundred twenty".