11872866401827 has 2 divisors, whose sum is σ = 11872866401828. Its totient is φ = 11872866401826.

The previous prime is 11872866401771. The next prime is 11872866401857. The reversal of 11872866401827 is 72810466827811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11872866401827 - 2¹⁵ = 11872866369059 is a prime.

It is not a weakly prime, because it can be changed into another prime (11872866401857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936433200913 + 5936433200914.

It is an arithmetic number, because the mean of its divisors is an integer number (5936433200914).

Almost surely, 2^{11872866401827} is an apocalyptic number.

11872866401827 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872866401827 is an equidigital number, since it uses as much as digits as its factorization.

11872866401827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14450688, while the sum is 61.

The spelling of 11872866401827 in words is "eleven trillion, eight hundred seventy-two billion, eight hundred sixty-six million, four hundred one thousand, eight hundred twenty-seven".