11990798229 has 16 divisors (see below), whose sum is σ = 16638088320. Its totient is φ = 7671988800.

The previous prime is 11990798203. The next prime is 11990798257. The reversal of 11990798229 is 92289709911.

It is not a de Polignac number, because 11990798229 - 2²¹ = 11988701077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990798129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398122 + ... + 427179.

It is an arithmetic number, because the mean of its divisors is an integer number (1039880520).

Almost surely, 2^11990798229 is an apocalyptic number.

It is an amenable number.

11990798229 is a deficient number, since it is larger than the sum of its proper divisors (4647290091).

11990798229 is a wasteful number, since it uses less digits than its factorization.

11990798229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825500.

The product of its (nonzero) digits is 1469664, while the sum is 57.

The spelling of 11990798229 in words is "eleven billion, nine hundred ninety million, seven hundred ninety-eight thousand, two hundred twenty-nine".