11723116550 has 24 divisors (see below), whose sum is σ = 22508386752. Its totient is φ = 4537980000.

The previous prime is 11723116549. The next prime is 11723116567. The reversal of 11723116550 is 5561132711.

It is a super-3 number, since 3×11723116550³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

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, 3780101 + ... + 3783200.

It is an arithmetic number, because the mean of its divisors is an integer number (937849448).

Almost surely, 2^11723116550 is an apocalyptic number.

11723116550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11723116550 is a deficient number, since it is larger than the sum of its proper divisors (10785270202).

11723116550 is a wasteful number, since it uses less digits than its factorization.

11723116550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563344 (or 7563339 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 11723116550 in words is "eleven billion, seven hundred twenty-three million, one hundred sixteen thousand, five hundred fifty".