109429186815 has 320 divisors, whose sum is σ = 233885836800. Its totient is φ = 48455801856.

The previous prime is 109429186799. The next prime is 109429186829. The reversal of 109429186815 is 518681924901.

It is not a de Polignac number, because 109429186815 - 2⁴ = 109429186799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 194367724 + ... + 194368286.

It is an arithmetic number, because the mean of its divisors is an integer number (730893240).

Almost surely, 2^109429186815 is an apocalyptic number.

109429186815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109429186815 is an abundant number, since it is smaller than the sum of its proper divisors (124456649985).

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

109429186815 is a wasteful number, since it uses less digits than its factorization.

109429186815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 109429186815 in words is "one hundred nine billion, four hundred twenty-nine million, one hundred eighty-six thousand, eight hundred fifteen".