11375855 has 4 divisors (see below), whose sum is σ = 13651032. Its totient is φ = 9100680.

The previous prime is 11375843. The next prime is 11375879. The reversal of 11375855 is 55857311.

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

It is not a de Polignac number, because 11375855 - 2⁸ = 11375599 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137581 + ... + 1137590.

It is an arithmetic number, because the mean of its divisors is an integer number (3412758).

Almost surely, 2^11375855 is an apocalyptic number.

11375855 is a deficient number, since it is larger than the sum of its proper divisors (2275177).

11375855 is an equidigital number, since it uses as much as digits as its factorization.

11375855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275176.

The product of its digits is 21000, while the sum is 35.

The square root of 11375855 is about 3372.8111420594. The cubic root of 11375855 is about 224.9027069064.

The spelling of 11375855 in words is "eleven million, three hundred seventy-five thousand, eight hundred fifty-five".