2155614425597 has 2 divisors, whose sum is σ = 2155614425598. Its totient is φ = 2155614425596.

The previous prime is 2155614425501. The next prime is 2155614425681. The reversal of 2155614425597 is 7955244165512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1600513432996 + 555100992601 = 1265114^2 + 745051^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155614425597 - 2¹⁶ = 2155614360061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155614425297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077807212798 + 1077807212799.

It is an arithmetic number, because the mean of its divisors is an integer number (1077807212799).

Almost surely, 2^{2155614425597} is an apocalyptic number.

It is an amenable number.

2155614425597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155614425597 is an equidigital number, since it uses as much as digits as its factorization.

2155614425597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120000, while the sum is 56.

The spelling of 2155614425597 in words is "two trillion, one hundred fifty-five billion, six hundred fourteen million, four hundred twenty-five thousand, five hundred ninety-seven".