11172327028 has 24 divisors (see below), whose sum is σ = 20592220320. Its totient is φ = 5289167520.

The previous prime is 11172326989. The next prime is 11172327031. The reversal of 11172327028 is 82072327111.

It is a junction number, because it is equal to n+sod(n) for n = 11172326984 and 11172327002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97050 + ... + 178222.

It is an arithmetic number, because the mean of its divisors is an integer number (858009180).

Almost surely, 2^11172327028 is an apocalyptic number.

It is an amenable number.

11172327028 is a deficient number, since it is larger than the sum of its proper divisors (9419893292).

11172327028 is a wasteful number, since it uses less digits than its factorization.

11172327028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83007 (or 83005 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 11172327028 in words is "eleven billion, one hundred seventy-two million, three hundred twenty-seven thousand, twenty-eight".