11877789229 has 2 divisors, whose sum is σ = 11877789230. Its totient is φ = 11877789228.

The previous prime is 11877789197. The next prime is 11877789233. The reversal of 11877789229 is 92298777811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11043908100 + 833881129 = 105090^2 + 28877^2 .

It is an emirp because it is prime and its reverse (92298777811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11877789229 - 2⁵ = 11877789197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11877789629) 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, 5938894614 + 5938894615.

It is an arithmetic number, because the mean of its divisors is an integer number (5938894615).

Almost surely, 2^11877789229 is an apocalyptic number.

It is an amenable number.

11877789229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11877789229 is an equidigital number, since it uses as much as digits as its factorization.

11877789229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 61.

The spelling of 11877789229 in words is "eleven billion, eight hundred seventy-seven million, seven hundred eighty-nine thousand, two hundred twenty-nine".