16020442511 has 2 divisors, whose sum is σ = 16020442512. Its totient is φ = 16020442510.

The previous prime is 16020442489. The next prime is 16020442583. The reversal of 16020442511 is 11524402061.

It is a weak prime.

It is an emirp because it is prime and its reverse (11524402061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16020442511 - 2²² = 16016248207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16020447511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010221255 + 8010221256.

It is an arithmetic number, because the mean of its divisors is an integer number (8010221256).

Almost surely, 2^16020442511 is an apocalyptic number.

16020442511 is a deficient number, since it is larger than the sum of its proper divisors (1).

16020442511 is an equidigital number, since it uses as much as digits as its factorization.

16020442511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 16020442511 its reverse (11524402061), we get a palindrome (27544844572).

The spelling of 16020442511 in words is "sixteen billion, twenty million, four hundred forty-two thousand, five hundred eleven".