109516851907 has 4 divisors (see below), whose sum is σ = 109520827200. Its totient is φ = 109512876616.

The previous prime is 109516851883. The next prime is 109516851973. The reversal of 109516851907 is 709158615901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109516851907 - 2²³ = 109508463299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109516821907) 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, 1946032 + ... + 2001517.

It is an arithmetic number, because the mean of its divisors is an integer number (27380206800).

Almost surely, 2^109516851907 is an apocalyptic number.

109516851907 is a deficient number, since it is larger than the sum of its proper divisors (3975293).

109516851907 is an equidigital number, since it uses as much as digits as its factorization.

109516851907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975292.

The product of its (nonzero) digits is 680400, while the sum is 52.

The spelling of 109516851907 in words is "one hundred nine billion, five hundred sixteen million, eight hundred fifty-one thousand, nine hundred seven".