11687018229 has 8 divisors (see below), whose sum is σ = 17314101120. Its totient is φ = 7791345468.

The previous prime is 11687018219. The next prime is 11687018263. The reversal of 11687018229 is 92281078611.

It is not a de Polignac number, because 11687018229 - 2⁹ = 11687017717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687018219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216426237 + ... + 216426290.

It is an arithmetic number, because the mean of its divisors is an integer number (2164262640).

Almost surely, 2^11687018229 is an apocalyptic number.

It is an amenable number.

11687018229 is a deficient number, since it is larger than the sum of its proper divisors (5627082891).

11687018229 is an equidigital number, since it uses as much as digits as its factorization.

11687018229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432852536 (or 432852530 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11687018229 in words is "eleven billion, six hundred eighty-seven million, eighteen thousand, two hundred twenty-nine".