102115215269 has 2 divisors, whose sum is σ = 102115215270. Its totient is φ = 102115215268.

The previous prime is 102115215253. The next prime is 102115215311. The reversal of 102115215269 is 962512511201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101882256100 + 232959169 = 319190^2 + 15263^2 .

It is a cyclic number.

It is not a de Polignac number, because 102115215269 - 2⁴ = 102115215253 is a prime.

It is a super-2 number, since 2×102115215269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102115235269) 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, 51057607634 + 51057607635.

It is an arithmetic number, because the mean of its divisors is an integer number (51057607635).

Almost surely, 2^102115215269 is an apocalyptic number.

It is an amenable number.

102115215269 is a deficient number, since it is larger than the sum of its proper divisors (1).

102115215269 is an equidigital number, since it uses as much as digits as its factorization.

102115215269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 102115215269 in words is "one hundred two billion, one hundred fifteen million, two hundred fifteen thousand, two hundred sixty-nine".