13005578107 has 4 divisors (see below), whose sum is σ = 13357080256. Its totient is φ = 12654075960.

The previous prime is 13005578101. The next prime is 13005578123. The reversal of 13005578107 is 70187550031.

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 13005578107 - 2³¹ = 10858094459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 351502111 = 13005578107 / (1 + 3 + 0 + 0 + 5 + 5 + 7 + 8 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13005578101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175751019 + ... + 175751092.

It is an arithmetic number, because the mean of its divisors is an integer number (3339270064).

Almost surely, 2^13005578107 is an apocalyptic number.

13005578107 is a deficient number, since it is larger than the sum of its proper divisors (351502149).

13005578107 is an equidigital number, since it uses as much as digits as its factorization.

13005578107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351502148.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 13005578107 in words is "thirteen billion, five million, five hundred seventy-eight thousand, one hundred seven".