102005956799 has 2 divisors, whose sum is σ = 102005956800. Its totient is φ = 102005956798.

The previous prime is 102005956781. The next prime is 102005956867. The reversal of 102005956799 is 997659500201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102005956799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102005956799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102005956709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51002978399 + 51002978400.

It is an arithmetic number, because the mean of its divisors is an integer number (51002978400).

Almost surely, 2^102005956799 is an apocalyptic number.

102005956799 is a deficient number, since it is larger than the sum of its proper divisors (1).

102005956799 is an equidigital number, since it uses as much as digits as its factorization.

102005956799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 102005956799 in words is "one hundred two billion, five million, nine hundred fifty-six thousand, seven hundred ninety-nine".