156775276117 has 2 divisors, whose sum is σ = 156775276118. Its totient is φ = 156775276116.

The previous prime is 156775276093. The next prime is 156775276127. The reversal of 156775276117 is 711672577651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156067662916 + 707613201 = 395054^2 + 26601^2 .

It is a cyclic number.

It is not a de Polignac number, because 156775276117 - 2⁷ = 156775275989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156775276127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78387638058 + 78387638059.

It is an arithmetic number, because the mean of its divisors is an integer number (78387638059).

Almost surely, 2^156775276117 is an apocalyptic number.

It is an amenable number.

156775276117 is a deficient number, since it is larger than the sum of its proper divisors (1).

156775276117 is an equidigital number, since it uses as much as digits as its factorization.

156775276117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4321800, while the sum is 55.

The spelling of 156775276117 in words is "one hundred fifty-six billion, seven hundred seventy-five million, two hundred seventy-six thousand, one hundred seventeen".