109254915816 has 16 divisors (see below), whose sum is σ = 273137289600. Its totient is φ = 36418305264.

The previous prime is 109254915811. The next prime is 109254915823. The reversal of 109254915816 is 618519452901.

It is a super-2 number, since 2×109254915816² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109254915811) 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, 2276144056 + ... + 2276144103.

It is an arithmetic number, because the mean of its divisors is an integer number (17071080600).

Almost surely, 2^109254915816 is an apocalyptic number.

It is an amenable number.

109254915816 is an abundant number, since it is smaller than the sum of its proper divisors (163882373784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109254915816 is a wasteful number, since it uses less digits than its factorization.

109254915816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552288168 (or 4552288164 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 109254915816 in words is "one hundred nine billion, two hundred fifty-four million, nine hundred fifteen thousand, eight hundred sixteen".