109615855457 has 8 divisors (see below), whose sum is σ = 116256874560. Its totient is φ = 103131095760.

The previous prime is 109615855451. The next prime is 109615855471. The reversal of 109615855457 is 754558516901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109615855457 - 2²² = 109611661153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109615855451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39063407 + ... + 39066212.

It is an arithmetic number, because the mean of its divisors is an integer number (14532109320).

Almost surely, 2^109615855457 is an apocalyptic number.

It is an amenable number.

109615855457 is a deficient number, since it is larger than the sum of its proper divisors (6641019103).

109615855457 is an equidigital number, since it uses as much as digits as its factorization.

109615855457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78129703.

The product of its (nonzero) digits is 7560000, while the sum is 56.

The spelling of 109615855457 in words is "one hundred nine billion, six hundred fifteen million, eight hundred fifty-five thousand, four hundred fifty-seven".