11992906089 has 48 divisors (see below), whose sum is σ = 18513855360. Its totient is φ = 7752360960.

The previous prime is 11992906087. The next prime is 11992906097. The reversal of 11992906089 is 98060929911.

11992906089 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 29 + 0 + 608 + 9 = 666.

It is not a de Polignac number, because 11992906089 - 2¹ = 11992906087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11992906087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2794057 + ... + 2798345.

It is an arithmetic number, because the mean of its divisors is an integer number (385705320).

Almost surely, 2^11992906089 is an apocalyptic number.

It is an amenable number.

11992906089 is a deficient number, since it is larger than the sum of its proper divisors (6520949271).

11992906089 is an equidigital number, since it uses as much as digits as its factorization.

11992906089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 11992906089 in words is "eleven billion, nine hundred ninety-two million, nine hundred six thousand, eighty-nine".