11900261799 has 16 divisors (see below), whose sum is σ = 17919036640. Its totient is φ = 7803449280.

The previous prime is 11900261797. The next prime is 11900261833. The reversal of 11900261799 is 99716200911.

It is not a de Polignac number, because 11900261799 - 2¹ = 11900261797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900261797) 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 in 15 ways as a sum of consecutive naturals, for example, 3611062 + ... + 3614355.

It is an arithmetic number, because the mean of its divisors is an integer number (1119939790).

Almost surely, 2^11900261799 is an apocalyptic number.

11900261799 is a deficient number, since it is larger than the sum of its proper divisors (6018774841).

11900261799 is an equidigital number, since it uses as much as digits as its factorization.

11900261799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225487 (or 7225481 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The spelling of 11900261799 in words is "eleven billion, nine hundred million, two hundred sixty-one thousand, seven hundred ninety-nine".