11100947 has 16 divisors (see below), whose sum is σ = 13154400. Its totient is φ = 9235200.

The previous prime is 11100941. The next prime is 11100953. The reversal of 11100947 is 74900111.

It is an interprime number because it is at equal distance from previous prime (11100941) and next prime (11100953).

It is not a de Polignac number, because 11100947 - 2⁴ = 11100931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21047 + ... + 21567.

It is an arithmetic number, because the mean of its divisors is an integer number (822150).

Almost surely, 2^11100947 is an apocalyptic number.

11100947 is a deficient number, since it is larger than the sum of its proper divisors (2053453).

11100947 is a wasteful number, since it uses less digits than its factorization.

11100947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11100947 is about 3331.8083678387. The cubic root of 11100947 is about 223.0762540271.

The spelling of 11100947 in words is "eleven million, one hundred thousand, nine hundred forty-seven".