11981088002 has 16 divisors (see below), whose sum is σ = 19765855872. Its totient is φ = 5412078480.

The previous prime is 11981087999. The next prime is 11981088017. The reversal of 11981088002 is 20088018911.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901024 + ... + 4903467.

It is an arithmetic number, because the mean of its divisors is an integer number (1235365992).

Almost surely, 2^11981088002 is an apocalyptic number.

11981088002 is a deficient number, since it is larger than the sum of its proper divisors (7784767870).

11981088002 is a wasteful number, since it uses less digits than its factorization.

11981088002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804553.

The product of its (nonzero) digits is 9216, while the sum is 38.

The spelling of 11981088002 in words is "eleven billion, nine hundred eighty-one million, eighty-eight thousand, two".