11172604411 has 4 divisors (see below), whose sum is σ = 11252983000. Its totient is φ = 11092225824.

The previous prime is 11172604393. The next prime is 11172604423. The reversal of 11172604411 is 11440627111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11440627111 = 19 ⋅602138269.

It is a cyclic number.

It is not a de Polignac number, because 11172604411 - 2⁵ = 11172604379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11172604411.

It is not an unprimeable number, because it can be changed into a prime (11172604211) 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, 40189086 + ... + 40189363.

It is an arithmetic number, because the mean of its divisors is an integer number (2813245750).

Almost surely, 2^11172604411 is an apocalyptic number.

11172604411 is a deficient number, since it is larger than the sum of its proper divisors (80378589).

11172604411 is an equidigital number, since it uses as much as digits as its factorization.

11172604411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80378588.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 11172604411 in words is "eleven billion, one hundred seventy-two million, six hundred four thousand, four hundred eleven".