11157807 has 8 divisors (see below), whose sum is σ = 15660160. Its totient is φ = 7047000.

The previous prime is 11157803. The next prime is 11157823. The reversal of 11157807 is 70875111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11157807 - 2² = 11157803 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 (11157803) 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 7 ways as a sum of consecutive naturals, for example, 97819 + ... + 97932.

It is an arithmetic number, because the mean of its divisors is an integer number (1957520).

Almost surely, 2^11157807 is an apocalyptic number.

11157807 is a deficient number, since it is larger than the sum of its proper divisors (4502353).

11157807 is a wasteful number, since it uses less digits than its factorization.

11157807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195773.

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 11157807 is about 3340.3303728823. The cubic root of 11157807 is about 223.4564774694.

The spelling of 11157807 in words is "eleven million, one hundred fifty-seven thousand, eight hundred seven".