11856183870122 has 16 divisors (see below), whose sum is σ = 18076073885352. Its totient is φ = 5830828624320.

The previous prime is 11856183870079. The next prime is 11856183870127. The reversal of 11856183870122 is 22107838165811.

It can be written as a sum of positive squares in 4 ways, for example, as 7057635137641 + 4798548732481 = 2656621^2 + 2190559^2 .

It is not an unprimeable number, because it can be changed into a prime (11856183870127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8606168 + ... + 9888300.

Almost surely, 2^{11856183870122} is an apocalyptic number.

11856183870122 is a deficient number, since it is larger than the sum of its proper divisors (6219890015230).

11856183870122 is a wasteful number, since it uses less digits than its factorization.

11856183870122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357993.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 11856183870122 in words is "eleven trillion, eight hundred fifty-six billion, one hundred eighty-three million, eight hundred seventy thousand, one hundred twenty-two".