11172113567999 has 8 divisors (see below), whose sum is σ = 11227909140720. Its totient is φ = 11116378944000.

The previous prime is 11172113567983. The next prime is 11172113568013. The reversal of 11172113567999 is 99976531127111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11172113567999 - 2⁴ = 11172113567983 is a prime.

It is a super-2 number, since 2×11172113567999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172113567599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14869637 + ... + 15602894.

It is an arithmetic number, because the mean of its divisors is an integer number (1403488642590).

Almost surely, 2^{11172113567999} is an apocalyptic number.

11172113567999 is a deficient number, since it is larger than the sum of its proper divisors (55795572721).

11172113567999 is a wasteful number, since it uses less digits than its factorization.

11172113567999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30474361.

The product of its digits is 6429780, while the sum is 62.

The spelling of 11172113567999 in words is "eleven trillion, one hundred seventy-two billion, one hundred thirteen million, five hundred sixty-seven thousand, nine hundred ninety-nine".