11801107 has 4 divisors (see below), whose sum is σ = 11962840. Its totient is φ = 11639376.

The previous prime is 11801063. The next prime is 11801129. The reversal of 11801107 is 70110811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11801107 - 2¹¹ = 11799059 is a prime.

It is a super-2 number, since 2×11801107² = 278532252850898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11801177) 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, 80757 + ... + 80902.

It is an arithmetic number, because the mean of its divisors is an integer number (2990710).

Almost surely, 2^11801107 is an apocalyptic number.

11801107 is a deficient number, since it is larger than the sum of its proper divisors (161733).

11801107 is an equidigital number, since it uses as much as digits as its factorization.

11801107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161732.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 11801107 is about 3435.2739337642. The cubic root of 11801107 is about 227.6709305911.

Adding to 11801107 its reverse (70110811), we get a palindrome (81911918).

The spelling of 11801107 in words is "eleven million, eight hundred one thousand, one hundred seven".