11100872 has 16 divisors (see below), whose sum is σ = 20874240. Its totient is φ = 5534416.

The previous prime is 11100871. The next prime is 11100889. The reversal of 11100872 is 27800111.

It is not an unprimeable number, because it can be changed into a prime (11100871) 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, 1253 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (1304640).

Almost surely, 2^11100872 is an apocalyptic number.

It is an amenable number.

11100872 is a deficient number, since it is larger than the sum of its proper divisors (9773368).

11100872 is a wasteful number, since it uses less digits than its factorization.

11100872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 11100872 is about 3331.7971126706. The cubic root of 11100872 is about 223.0757516448.

Adding to 11100872 its reverse (27800111), we get a palindrome (38900983).

The spelling of 11100872 in words is "eleven million, one hundred thousand, eight hundred seventy-two".