13206889511 has 2 divisors, whose sum is σ = 13206889512. Its totient is φ = 13206889510.

The previous prime is 13206889499. The next prime is 13206889519. The reversal of 13206889511 is 11598860231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13206889511 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13206889519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603444755 + 6603444756.

It is an arithmetic number, because the mean of its divisors is an integer number (6603444756).

Almost surely, 2^13206889511 is an apocalyptic number.

13206889511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13206889511 is an equidigital number, since it uses as much as digits as its factorization.

13206889511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 13206889511 in words is "thirteen billion, two hundred six million, eight hundred eighty-nine thousand, five hundred eleven".