102113363857 has 4 divisors (see below), whose sum is σ = 102115702080. Its totient is φ = 102111025636.

The previous prime is 102113363843. The next prime is 102113363867. The reversal of 102113363857 is 758363311201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758363311201 = 647 ⋅1172122583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102113363857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102113363867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102333 + ... + 1191370.

It is an arithmetic number, because the mean of its divisors is an integer number (25528925520).

Almost surely, 2^102113363857 is an apocalyptic number.

It is an amenable number.

102113363857 is a deficient number, since it is larger than the sum of its proper divisors (2338223).

102113363857 is an equidigital number, since it uses as much as digits as its factorization.

102113363857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338222.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 102113363857 in words is "one hundred two billion, one hundred thirteen million, three hundred sixty-three thousand, eight hundred fifty-seven".