11377166197261 has 2 divisors, whose sum is σ = 11377166197262. Its totient is φ = 11377166197260.

The previous prime is 11377166197237. The next prime is 11377166197273. The reversal of 11377166197261 is 16279166177311.

11377166197261 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., 11322760634761 + 54405562500 = 3364931^2 + 233250^2 .

It is a cyclic number.

It is not a de Polignac number, because 11377166197261 - 2¹⁵ = 11377166164493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11377166197196 and 11377166197205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11377166197291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688583098630 + 5688583098631.

It is an arithmetic number, because the mean of its divisors is an integer number (5688583098631).

Almost surely, 2^{11377166197261} is an apocalyptic number.

It is an amenable number.

11377166197261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11377166197261 is an equidigital number, since it uses as much as digits as its factorization.

11377166197261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 58.

The spelling of 11377166197261 in words is "eleven trillion, three hundred seventy-seven billion, one hundred sixty-six million, one hundred ninety-seven thousand, two hundred sixty-one".