11375771 has 16 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 9636480.

The previous prime is 11375753. The next prime is 11375783. The reversal of 11375771 is 17757311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11375771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11375711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23510 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 2^11375771 is an apocalyptic number.

11375771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11375771 is a deficient number, since it is larger than the sum of its proper divisors (1895269).

11375771 is a wasteful number, since it uses less digits than its factorization.

11375771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 5145, while the sum is 32.

The square root of 11375771 is about 3372.7986895159. The cubic root of 11375771 is about 224.9021533400.

The spelling of 11375771 in words is "eleven million, three hundred seventy-five thousand, seven hundred seventy-one".