102115094479 has 2 divisors, whose sum is σ = 102115094480. Its totient is φ = 102115094478.

The previous prime is 102115094449. The next prime is 102115094509. The reversal of 102115094479 is 974490511201.

It is a balanced prime because it is at equal distance from previous prime (102115094449) and next prime (102115094509).

It is an emirp because it is prime and its reverse (974490511201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102115094479 - 2⁹ = 102115093967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102115094449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51057547239 + 51057547240.

It is an arithmetic number, because the mean of its divisors is an integer number (51057547240).

Almost surely, 2^102115094479 is an apocalyptic number.

102115094479 is a deficient number, since it is larger than the sum of its proper divisors (1).

102115094479 is an equidigital number, since it uses as much as digits as its factorization.

102115094479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 102115094479 in words is "one hundred two billion, one hundred fifteen million, ninety-four thousand, four hundred seventy-nine".