11105451287729 has 2 divisors, whose sum is σ = 11105451287730. Its totient is φ = 11105451287728.

The previous prime is 11105451287681. The next prime is 11105451287753. The reversal of 11105451287729 is 92778215450111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7349239058704 + 3756212229025 = 2710948^2 + 1938095^2 .

It is a cyclic number.

It is not a de Polignac number, because 11105451287729 - 2²⁸ = 11105182852273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11105451587729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552725643864 + 5552725643865.

It is an arithmetic number, because the mean of its divisors is an integer number (5552725643865).

Almost surely, 2^{11105451287729} is an apocalyptic number.

It is an amenable number.

11105451287729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105451287729 is an equidigital number, since it uses as much as digits as its factorization.

11105451287729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 53.

The spelling of 11105451287729 in words is "eleven trillion, one hundred five billion, four hundred fifty-one million, two hundred eighty-seven thousand, seven hundred twenty-nine".