104400015545 has 16 divisors (see below), whose sum is σ = 151599351168. Its totient is φ = 67377488640.

The previous prime is 104400015493. The next prime is 104400015607. The reversal of 104400015545 is 545510004401.

It is a de Polignac number, because none of the positive numbers 2^k-104400015545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87730511 + ... + 87731700.

It is an arithmetic number, because the mean of its divisors is an integer number (9474959448).

Almost surely, 2^104400015545 is an apocalyptic number.

It is an amenable number.

104400015545 is a deficient number, since it is larger than the sum of its proper divisors (47199335623).

104400015545 is a wasteful number, since it uses less digits than its factorization.

104400015545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175462240.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 104400015545 its reverse (545510004401), we get a palindrome (649910019946).

The spelling of 104400015545 in words is "one hundred four billion, four hundred million, fifteen thousand, five hundred forty-five".