11899806483 has 4 divisors (see below), whose sum is σ = 15866408648. Its totient is φ = 7933204320.

The previous prime is 11899806481. The next prime is 11899806491. The reversal of 11899806483 is 38460899811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11899806483 - 2¹ = 11899806481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11899806481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983301078 + ... + 1983301083.

It is an arithmetic number, because the mean of its divisors is an integer number (3966602162).

Almost surely, 2^11899806483 is an apocalyptic number.

11899806483 is a deficient number, since it is larger than the sum of its proper divisors (3966602165).

11899806483 is an equidigital number, since it uses as much as digits as its factorization.

11899806483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966602164.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 11899806483 in words is "eleven billion, eight hundred ninety-nine million, eight hundred six thousand, four hundred eighty-three".