102770256517169 has 2 divisors, whose sum is σ = 102770256517170. Its totient is φ = 102770256517168.

The previous prime is 102770256517111. The next prime is 102770256517183. The reversal of 102770256517169 is 961715652077201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101742263307169 + 1027993210000 = 10086737^2 + 1013900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102770256517169 is a prime.

It is a super-2 number, since 2×102770256517169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102770256517189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51385128258584 + 51385128258585.

It is an arithmetic number, because the mean of its divisors is an integer number (51385128258585).

Almost surely, 2^{102770256517169} is an apocalyptic number.

It is an amenable number.

102770256517169 is a deficient number, since it is larger than the sum of its proper divisors (1).

102770256517169 is an equidigital number, since it uses as much as digits as its factorization.

102770256517169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11113200, while the sum is 59.

The spelling of 102770256517169 in words is "one hundred two trillion, seven hundred seventy billion, two hundred fifty-six million, five hundred seventeen thousand, one hundred sixty-nine".