11663723020 has 12 divisors (see below), whose sum is σ = 24493818384. Its totient is φ = 4665489200.

The previous prime is 11663722951. The next prime is 11663723023. The reversal of 11663723020 is 2032736611.

It is not an unprimeable number, because it can be changed into a prime (11663723023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291593056 + ... + 291593095.

It is an arithmetic number, because the mean of its divisors is an integer number (2041151532).

Almost surely, 2^11663723020 is an apocalyptic number.

11663723020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11663723020 is an abundant number, since it is smaller than the sum of its proper divisors (12830095364).

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

11663723020 is a wasteful number, since it uses less digits than its factorization.

11663723020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583186160 (or 583186158 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 11663723020 in words is "eleven billion, six hundred sixty-three million, seven hundred twenty-three thousand, twenty".