11173400679 has 16 divisors (see below), whose sum is σ = 17034590720. Its totient is φ = 6381629280.

The previous prime is 11173400639. The next prime is 11173400687. The reversal of 11173400679 is 97600437111.

It is not a de Polignac number, because 11173400679 - 2¹³ = 11173392487 is a prime.

It is a super-2 number, since 2×11173400679² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173400639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88507 + ... + 173724.

It is an arithmetic number, because the mean of its divisors is an integer number (1064661920).

Almost surely, 2^11173400679 is an apocalyptic number.

11173400679 is a deficient number, since it is larger than the sum of its proper divisors (5861190041).

11173400679 is a wasteful number, since it uses less digits than its factorization.

11173400679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264270.

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 11173400679 in words is "eleven billion, one hundred seventy-three million, four hundred thousand, six hundred seventy-nine".