11277389129 has 2 divisors, whose sum is σ = 11277389130. Its totient is φ = 11277389128.

The previous prime is 11277389113. The next prime is 11277389153. The reversal of 11277389129 is 92198377211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10758460729 + 518928400 = 103723^2 + 22780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11277389129 - 2⁴ = 11277389113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11277379129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638694564 + 5638694565.

It is an arithmetic number, because the mean of its divisors is an integer number (5638694565).

Almost surely, 2^11277389129 is an apocalyptic number.

It is an amenable number.

11277389129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11277389129 is an equidigital number, since it uses as much as digits as its factorization.

11277389129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 50.

The spelling of 11277389129 in words is "eleven billion, two hundred seventy-seven million, three hundred eighty-nine thousand, one hundred twenty-nine".