11159807 has 4 divisors (see below), whose sum is σ = 11645040. Its totient is φ = 10674576.

The previous prime is 11159789. The next prime is 11159843. The reversal of 11159807 is 70895111.

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

It is a de Polignac number, because none of the positive numbers 2^k-11159807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159507) 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, 242582 + ... + 242627.

It is an arithmetic number, because the mean of its divisors is an integer number (2911260).

Almost surely, 2^11159807 is an apocalyptic number.

11159807 is a deficient number, since it is larger than the sum of its proper divisors (485233).

11159807 is an equidigital number, since it uses as much as digits as its factorization.

11159807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485232.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 11159807 is about 3340.6297310537. The cubic root of 11159807 is about 223.4698279499.

The spelling of 11159807 in words is "eleven million, one hundred fifty-nine thousand, eight hundred seven".