6662113511 has 2 divisors, whose sum is σ = 6662113512. Its totient is φ = 6662113510.

The previous prime is 6662113499. The next prime is 6662113519. The reversal of 6662113511 is 1153112666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6662113511 - 2¹⁰ = 6662112487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662113519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331056755 + 3331056756.

It is an arithmetic number, because the mean of its divisors is an integer number (3331056756).

Almost surely, 2^6662113511 is an apocalyptic number.

6662113511 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662113511 is an equidigital number, since it uses as much as digits as its factorization.

6662113511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 6662113511 is about 81621.7710601773. The cubic root of 6662113511 is about 1881.6434918281.

The spelling of 6662113511 in words is "six billion, six hundred sixty-two million, one hundred thirteen thousand, five hundred eleven".