11612257893 has 6 divisors (see below), whose sum is σ = 16773261414. Its totient is φ = 7741505256.

The previous prime is 11612257889. The next prime is 11612257897. The reversal of 11612257893 is 39875221611.

11612257893 is a `hidden beast` number, since 1 + 1 + 612 + 25 + 7 + 8 + 9 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11612257889) and next prime (11612257897).

It can be written as a sum of positive squares in only one way, i.e., 10542771684 + 1069486209 = 102678^2 + 32703^2 .

It is not a de Polignac number, because 11612257893 - 2² = 11612257889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612257897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 645125430 + ... + 645125447.

It is an arithmetic number, because the mean of its divisors is an integer number (2795543569).

Almost surely, 2^11612257893 is an apocalyptic number.

It is an amenable number.

11612257893 is a deficient number, since it is larger than the sum of its proper divisors (5161003521).

11612257893 is a wasteful number, since it uses less digits than its factorization.

11612257893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290250883 (or 1290250880 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11612257893 in words is "eleven billion, six hundred twelve million, two hundred fifty-seven thousand, eight hundred ninety-three".