16241998511 has 2 divisors, whose sum is σ = 16241998512. Its totient is φ = 16241998510.

The previous prime is 16241998499. The next prime is 16241998519. The reversal of 16241998511 is 11589914261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16241998511 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 (16241998519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120999255 + 8120999256.

It is an arithmetic number, because the mean of its divisors is an integer number (8120999256).

Almost surely, 2^16241998511 is an apocalyptic number.

16241998511 is a deficient number, since it is larger than the sum of its proper divisors (1).

16241998511 is an equidigital number, since it uses as much as digits as its factorization.

16241998511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 47.

The spelling of 16241998511 in words is "sixteen billion, two hundred forty-one million, nine hundred ninety-eight thousand, five hundred eleven".