13057878011 has 4 divisors (see below), whose sum is σ = 13080827400. Its totient is φ = 13034928624.

The previous prime is 13057877969. The next prime is 13057878017. The reversal of 13057878011 is 11087875031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11087875031 = 17 ⋅652227943.

It is a cyclic number.

It is not a de Polignac number, because 13057878011 - 2⁶ = 13057877947 is a prime.

It is a super-2 number, since 2×13057878011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13057878011.

It is not an unprimeable number, because it can be changed into a prime (13057878017) 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, 11473841 + ... + 11474978.

It is an arithmetic number, because the mean of its divisors is an integer number (3270206850).

Almost surely, 2^13057878011 is an apocalyptic number.

13057878011 is a deficient number, since it is larger than the sum of its proper divisors (22949389).

13057878011 is an equidigital number, since it uses as much as digits as its factorization.

13057878011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22949388.

The product of its (nonzero) digits is 47040, while the sum is 41.

The spelling of 13057878011 in words is "thirteen billion, fifty-seven million, eight hundred seventy-eight thousand, eleven".