255062772137 has 2 divisors, whose sum is σ = 255062772138. Its totient is φ = 255062772136.

The previous prime is 255062772131. The next prime is 255062772221. The reversal of 255062772137 is 731277260552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199115858176 + 55946913961 = 446224^2 + 236531^2 .

It is a cyclic number.

It is not a de Polignac number, because 255062772137 - 2¹⁰ = 255062771113 is a prime.

It is a super-2 number, since 2×255062772137² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255062772091 and 255062772100.

It is not a weakly prime, because it can be changed into another prime (255062772131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127531386068 + 127531386069.

It is an arithmetic number, because the mean of its divisors is an integer number (127531386069).

Almost surely, 2^255062772137 is an apocalyptic number.

It is an amenable number.

255062772137 is a deficient number, since it is larger than the sum of its proper divisors (1).

255062772137 is an equidigital number, since it uses as much as digits as its factorization.

255062772137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 255062772137 in words is "two hundred fifty-five billion, sixty-two million, seven hundred seventy-two thousand, one hundred thirty-seven".