100515345055 has 8 divisors (see below), whose sum is σ = 122270721552. Its totient is φ = 79310737728.

The previous prime is 100515345053. The next prime is 100515345059. The reversal of 100515345055 is 550543515001.

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 100515345055 - 2¹ = 100515345053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100515345055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100515345053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137691889 + ... + 137692618.

It is an arithmetic number, because the mean of its divisors is an integer number (15283840194).

Almost surely, 2^100515345055 is an apocalyptic number.

100515345055 is a deficient number, since it is larger than the sum of its proper divisors (21755376497).

100515345055 is an equidigital number, since it uses as much as digits as its factorization.

100515345055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275384585.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 100515345055 in words is "one hundred billion, five hundred fifteen million, three hundred forty-five thousand, fifty-five".