107992251999 has 20 divisors (see below), whose sum is σ = 161375701080. Its totient is φ = 71970761520.

The previous prime is 107992251979. The next prime is 107992252057. The reversal of 107992251999 is 999152299701.

107992251999 is a `hidden beast` number, since 1 + 0 + 7 + 9 + 9 + 22 + 519 + 99 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-107992251999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107992251979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22497 + ... + 465285.

It is an arithmetic number, because the mean of its divisors is an integer number (8068785054).

Almost surely, 2^107992251999 is an apocalyptic number.

107992251999 is a deficient number, since it is larger than the sum of its proper divisors (53383449081).

107992251999 is an equidigital number, since it uses as much as digits as its factorization.

107992251999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445812 (or 445803 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 63.

The spelling of 107992251999 in words is "one hundred seven billion, nine hundred ninety-two million, two hundred fifty-one thousand, nine hundred ninety-nine".