11342826857 has 4 divisors (see below), whose sum is σ = 11370560340. Its totient is φ = 11315093376.

The previous prime is 11342826851. The next prime is 11342826863. The reversal of 11342826857 is 75862824311.

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

It is an interprime number because it is at equal distance from previous prime (11342826851) and next prime (11342826863).

It can be written as a sum of positive squares in 2 ways, for example, as 9445701721 + 1897125136 = 97189^2 + 43556^2 .

It is a cyclic number.

It is not a de Polignac number, because 11342826857 - 2¹⁴ = 11342810473 is a prime.

It is a super-2 number, since 2×11342826857² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11342826851) 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, 13866128 + ... + 13866945.

It is an arithmetic number, because the mean of its divisors is an integer number (2842640085).

Almost surely, 2^11342826857 is an apocalyptic number.

It is an amenable number.

11342826857 is a deficient number, since it is larger than the sum of its proper divisors (27733483).

11342826857 is an equidigital number, since it uses as much as digits as its factorization.

11342826857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27733482.

The product of its digits is 645120, while the sum is 47.

The spelling of 11342826857 in words is "eleven billion, three hundred forty-two million, eight hundred twenty-six thousand, eight hundred fifty-seven".