2156360078827 has 2 divisors, whose sum is σ = 2156360078828. Its totient is φ = 2156360078826.

The previous prime is 2156360078797. The next prime is 2156360078843. The reversal of 2156360078827 is 7288700636512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2156360078827 - 2¹¹ = 2156360076779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2156360072827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078180039413 + 1078180039414.

It is an arithmetic number, because the mean of its divisors is an integer number (1078180039414).

Almost surely, 2^{2156360078827} is an apocalyptic number.

2156360078827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156360078827 is an equidigital number, since it uses as much as digits as its factorization.

2156360078827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 2156360078827 in words is "two trillion, one hundred fifty-six billion, three hundred sixty million, seventy-eight thousand, eight hundred twenty-seven".