11990525199 has 8 divisors (see below), whose sum is σ = 15987874560. Its totient is φ = 7993429656.

The previous prime is 11990525147. The next prime is 11990525203. The reversal of 11990525199 is 99152509911.

11990525199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11990525199 - 2²⁰ = 11989476623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990525299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139642 + ... + 208520.

It is an arithmetic number, because the mean of its divisors is an integer number (1998484320).

Almost surely, 2^11990525199 is an apocalyptic number.

11990525199 is a deficient number, since it is larger than the sum of its proper divisors (3997349361).

11990525199 is an equidigital number, since it uses as much as digits as its factorization.

11990525199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126909.

The product of its (nonzero) digits is 328050, while the sum is 51.

The spelling of 11990525199 in words is "eleven billion, nine hundred ninety million, five hundred twenty-five thousand, one hundred ninety-nine".