13511911039 has 8 divisors (see below), whose sum is σ = 15381148032. Its totient is φ = 11749487640.

The previous prime is 13511911037. The next prime is 13511911051. The reversal of 13511911039 is 93011911531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13511911039 - 2¹ = 13511911037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13511910995 and 13511911013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13511911031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26703129 + ... + 26703634.

It is an arithmetic number, because the mean of its divisors is an integer number (1922643504).

Almost surely, 2^13511911039 is an apocalyptic number.

13511911039 is a deficient number, since it is larger than the sum of its proper divisors (1869236993).

13511911039 is a wasteful number, since it uses less digits than its factorization.

13511911039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53406797.

The product of its (nonzero) digits is 3645, while the sum is 34.

The spelling of 13511911039 in words is "thirteen billion, five hundred eleven million, nine hundred eleven thousand, thirty-nine".