11057975 has 6 divisors (see below), whose sum is σ = 13711920. Its totient is φ = 8846360.

The previous prime is 11057953. The next prime is 11058001. The reversal of 11057975 is 57975011.

It is a de Polignac number, because none of the positive numbers 2^k-11057975 is a prime.

It is a super-2 number, since 2×11057975² = 244557622201250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221135 + ... + 221184.

It is an arithmetic number, because the mean of its divisors is an integer number (2285320).

Almost surely, 2^11057975 is an apocalyptic number.

11057975 is a deficient number, since it is larger than the sum of its proper divisors (2653945).

11057975 is an equidigital number, since it uses as much as digits as its factorization.

11057975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442329 (or 442324 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 11057975 is about 3325.3533646817. The cubic root of 11057975 is about 222.7880375142.

It can be divided in two parts, 110 and 57975, that added together give a palindrome (58085).

The spelling of 11057975 in words is "eleven million, fifty-seven thousand, nine hundred seventy-five".