1111377541693 has 2 divisors, whose sum is σ = 1111377541694. Its totient is φ = 1111377541692.

The previous prime is 1111377541691. The next prime is 1111377541711. The reversal of 1111377541693 is 3961457731111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056181677849 + 55195863844 = 1027707^2 + 234938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111377541693 - 2¹ = 1111377541691 is a prime.

Together with 1111377541691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111377541691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555688770846 + 555688770847.

It is an arithmetic number, because the mean of its divisors is an integer number (555688770847).

Almost surely, 2^{1111377541693} is an apocalyptic number.

It is an amenable number.

1111377541693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111377541693 is an equidigital number, since it uses as much as digits as its factorization.

1111377541693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The spelling of 1111377541693 in words is "one trillion, one hundred eleven billion, three hundred seventy-seven million, five hundred forty-one thousand, six hundred ninety-three".