13010501018 has 4 divisors (see below), whose sum is σ = 19515751530. Its totient is φ = 6505250508.

The previous prime is 13010500991. The next prime is 13010501027. The reversal of 13010501018 is 81010501031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12922460329 + 88040689 = 113677^2 + 9383^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252625253 + ... + 3252625256.

Almost surely, 2^13010501018 is an apocalyptic number.

13010501018 is a deficient number, since it is larger than the sum of its proper divisors (6505250512).

13010501018 is an equidigital number, since it uses as much as digits as its factorization.

13010501018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505250511.

The product of its (nonzero) digits is 120, while the sum is 20.

The spelling of 13010501018 in words is "thirteen billion, ten million, five hundred one thousand, eighteen".