11856183870127 has 2 divisors, whose sum is σ = 11856183870128. Its totient is φ = 11856183870126.

The previous prime is 11856183870079. The next prime is 11856183870131. The reversal of 11856183870127 is 72107838165811.

It is a happy number.

11856183870127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11856183870127 - 2¹⁵ = 11856183837359 is a prime.

It is a super-2 number, since 2×11856183870127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11856183870197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928091935063 + 5928091935064.

It is an arithmetic number, because the mean of its divisors is an integer number (5928091935064).

Almost surely, 2^{11856183870127} is an apocalyptic number.

11856183870127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11856183870127 is an equidigital number, since it uses as much as digits as its factorization.

11856183870127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 58.

The spelling of 11856183870127 in words is "eleven trillion, eight hundred fifty-six billion, one hundred eighty-three million, eight hundred seventy thousand, one hundred twenty-seven".