13058278881 has 4 divisors (see below), whose sum is σ = 17411038512. Its totient is φ = 8705519252.

The previous prime is 13058278859. The next prime is 13058278931. The reversal of 13058278881 is 18887285031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13058278881 - 2⁶ = 13058278817 is a prime.

It is a super-2 number, since 2×13058278881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13058278801) 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, 2176379811 + ... + 2176379816.

It is an arithmetic number, because the mean of its divisors is an integer number (4352759628).

Almost surely, 2^13058278881 is an apocalyptic number.

It is an amenable number.

13058278881 is a deficient number, since it is larger than the sum of its proper divisors (4352759631).

13058278881 is an equidigital number, since it uses as much as digits as its factorization.

13058278881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352759630.

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 13058278881 in words is "thirteen billion, fifty-eight million, two hundred seventy-eight thousand, eight hundred eighty-one".