100859445415 has 4 divisors (see below), whose sum is σ = 121031334504. Its totient is φ = 80687556328.

The previous prime is 100859445413. The next prime is 100859445437. The reversal of 100859445415 is 514544958001.

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 100859445415 - 2¹ = 100859445413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100859445413) 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 3 ways as a sum of consecutive naturals, for example, 10085944537 + ... + 10085944546.

It is an arithmetic number, because the mean of its divisors is an integer number (30257833626).

Almost surely, 2^100859445415 is an apocalyptic number.

100859445415 is a deficient number, since it is larger than the sum of its proper divisors (20171889089).

100859445415 is an equidigital number, since it uses as much as digits as its factorization.

100859445415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171889088.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 100859445415 in words is "one hundred billion, eight hundred fifty-nine million, four hundred forty-five thousand, four hundred fifteen".