2156133105157 has 2 divisors, whose sum is σ = 2156133105158. Its totient is φ = 2156133105156.

The previous prime is 2156133105149. The next prime is 2156133105163. The reversal of 2156133105157 is 7515013316512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1591397388036 + 564735717121 = 1261506^2 + 751489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2156133105157 - 2³ = 2156133105149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2156133100157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078066552578 + 1078066552579.

It is an arithmetic number, because the mean of its divisors is an integer number (1078066552579).

Almost surely, 2^{2156133105157} is an apocalyptic number.

It is an amenable number.

2156133105157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156133105157 is an equidigital number, since it uses as much as digits as its factorization.

2156133105157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 2156133105157 in words is "two trillion, one hundred fifty-six billion, one hundred thirty-three million, one hundred five thousand, one hundred fifty-seven".