11981088003 has 8 divisors (see below), whose sum is σ = 16213213888. Its totient is φ = 7868177064.

The previous prime is 11981087999. The next prime is 11981088017. The reversal of 11981088003 is 30088018911.

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

It is not a de Polignac number, because 11981088003 - 2² = 11981087999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11981018003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29803501 + ... + 29803902.

It is an arithmetic number, because the mean of its divisors is an integer number (2026651736).

Almost surely, 2^11981088003 is an apocalyptic number.

11981088003 is a deficient number, since it is larger than the sum of its proper divisors (4232125885).

11981088003 is an equidigital number, since it uses as much as digits as its factorization.

11981088003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59607473.

The product of its (nonzero) digits is 13824, while the sum is 39.

The spelling of 11981088003 in words is "eleven billion, nine hundred eighty-one million, eighty-eight thousand, three".