11158170672 has 40 divisors (see below), whose sum is σ = 31445755200. Its totient is φ = 3381263680.

The previous prime is 11158170593. The next prime is 11158170739. The reversal of 11158170672 is 27607185111.

It is a self number, because there is not a number n which added to its sum of digits gives 11158170672.

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, 10565922 + ... + 10566977.

It is an arithmetic number, because the mean of its divisors is an integer number (786143880).

Almost surely, 2^11158170672 is an apocalyptic number.

11158170672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11158170672 is an abundant number, since it is smaller than the sum of its proper divisors (20287584528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11158170672 is a wasteful number, since it uses less digits than its factorization.

11158170672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132921 (or 21132915 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 39.

The spelling of 11158170672 in words is "eleven billion, one hundred fifty-eight million, one hundred seventy thousand, six hundred seventy-two".