13000111109977 has 2 divisors, whose sum is σ = 13000111109978. Its totient is φ = 13000111109976.

The previous prime is 13000111109911. The next prime is 13000111110031. The reversal of 13000111109977 is 77990111100031.

13000111109977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12915765010201 + 84346099776 = 3593851^2 + 290424^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000111109977 - 2²⁷ = 12999976892249 is a prime.

It is not a weakly prime, because it can be changed into another prime (13000115109977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500055554988 + 6500055554989.

It is an arithmetic number, because the mean of its divisors is an integer number (6500055554989).

Almost surely, 2^{13000111109977} is an apocalyptic number.

It is an amenable number.

13000111109977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000111109977 is an equidigital number, since it uses as much as digits as its factorization.

13000111109977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 40.

The spelling of 13000111109977 in words is "thirteen trillion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-seven".