104140245505 has 16 divisors (see below), whose sum is σ = 125450980560. Its totient is φ = 82990559232.

The previous prime is 104140245493. The next prime is 104140245511. The reversal of 104140245505 is 505542041401.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12054784 + 104128190721 = 3472^2 + 322689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104140245505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7872657 + ... + 7885873.

It is an arithmetic number, because the mean of its divisors is an integer number (7840686285).

Almost surely, 2^104140245505 is an apocalyptic number.

It is an amenable number.

104140245505 is a deficient number, since it is larger than the sum of its proper divisors (21310735055).

104140245505 is a wasteful number, since it uses less digits than its factorization.

104140245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 104140245505 its reverse (505542041401), we get a palindrome (609682286906).

The spelling of 104140245505 in words is "one hundred four billion, one hundred forty million, two hundred forty-five thousand, five hundred five".