13125501267 has 4 divisors (see below), whose sum is σ = 17500668360. Its totient is φ = 8750334176.

The previous prime is 13125501247. The next prime is 13125501269. The reversal of 13125501267 is 76210552131.

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 13125501267 - 2⁶ = 13125501203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13125501269) 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, 2187583542 + ... + 2187583547.

It is an arithmetic number, because the mean of its divisors is an integer number (4375167090).

Almost surely, 2^13125501267 is an apocalyptic number.

13125501267 is a deficient number, since it is larger than the sum of its proper divisors (4375167093).

13125501267 is an equidigital number, since it uses as much as digits as its factorization.

13125501267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375167092.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 13125501267 in words is "thirteen billion, one hundred twenty-five million, five hundred one thousand, two hundred sixty-seven".