2111520606199 has 2 divisors, whose sum is σ = 2111520606200. Its totient is φ = 2111520606198.

The previous prime is 2111520606163. The next prime is 2111520606271. The reversal of 2111520606199 is 9916060251112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111520606199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111520606499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055760303099 + 1055760303100.

It is an arithmetic number, because the mean of its divisors is an integer number (1055760303100).

Almost surely, 2^{2111520606199} is an apocalyptic number.

2111520606199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111520606199 is an equidigital number, since it uses as much as digits as its factorization.

2111520606199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 2111520606199 in words is "two trillion, one hundred eleven billion, five hundred twenty million, six hundred six thousand, one hundred ninety-nine".