11177861026649 has 2 divisors, whose sum is σ = 11177861026650. Its totient is φ = 11177861026648.

The previous prime is 11177861026643. The next prime is 11177861026711. The reversal of 11177861026649 is 94662016877111.

11177861026649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7662554769424 + 3515306257225 = 2768132^2 + 1874915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11177861026649 - 2²⁰ = 11177859978073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11177861026643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588930513324 + 5588930513325.

It is an arithmetic number, because the mean of its divisors is an integer number (5588930513325).

Almost surely, 2^{11177861026649} is an apocalyptic number.

It is an amenable number.

11177861026649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11177861026649 is an equidigital number, since it uses as much as digits as its factorization.

11177861026649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 11177861026649 in words is "eleven trillion, one hundred seventy-seven billion, eight hundred sixty-one million, twenty-six thousand, six hundred forty-nine".