11172789511679 has 8 divisors (see below), whose sum is σ = 11622628278000. Its totient is φ = 10727255422912.

The previous prime is 11172789511649. The next prime is 11172789511691. The reversal of 11172789511679 is 97611598727111.

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 11172789511679 - 2³⁶ = 11104070034943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172789511649) 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, 1076164094 + ... + 1076174475.

It is an arithmetic number, because the mean of its divisors is an integer number (1452828534750).

Almost surely, 2^{11172789511679} is an apocalyptic number.

11172789511679 is a deficient number, since it is larger than the sum of its proper divisors (449838766321).

11172789511679 is a wasteful number, since it uses less digits than its factorization.

11172789511679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152338777.

The product of its digits is 13335840, while the sum is 65.

The spelling of 11172789511679 in words is "eleven trillion, one hundred seventy-two billion, seven hundred eighty-nine million, five hundred eleven thousand, six hundred seventy-nine".