255122140211377 has 2 divisors, whose sum is σ = 255122140211378. Its totient is φ = 255122140211376.

The previous prime is 255122140211359. The next prime is 255122140211417. The reversal of 255122140211377 is 773112041221552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254969646837361 + 152493374016 = 15967769^2 + 390504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255122140211377 is a prime.

It is a super-2 number, since 2×255122140211377² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255122140211317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127561070105688 + 127561070105689.

It is an arithmetic number, because the mean of its divisors is an integer number (127561070105689).

Almost surely, 2^{255122140211377} is an apocalyptic number.

It is an amenable number.

255122140211377 is a deficient number, since it is larger than the sum of its proper divisors (1).

255122140211377 is an equidigital number, since it uses as much as digits as its factorization.

255122140211377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 255122140211377 in words is "two hundred fifty-five trillion, one hundred twenty-two billion, one hundred forty million, two hundred eleven thousand, three hundred seventy-seven".