13780013311 has 4 divisors (see below), whose sum is σ = 13913799952. Its totient is φ = 13646226672.

The previous prime is 13780013293. The next prime is 13780013327. The reversal of 13780013311 is 11331008731.

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 13780013311 - 2⁵ = 13780013279 is a prime.

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 13780013311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13780013011) 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, 66893166 + ... + 66893371.

It is an arithmetic number, because the mean of its divisors is an integer number (3478449988).

Almost surely, 2^13780013311 is an apocalyptic number.

13780013311 is a deficient number, since it is larger than the sum of its proper divisors (133786641).

13780013311 is a wasteful number, since it uses less digits than its factorization.

13780013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133786640.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 13780013311 in words is "thirteen billion, seven hundred eighty million, thirteen thousand, three hundred eleven".