11331020119987 has 4 divisors (see below), whose sum is σ = 11337461861440. Its totient is φ = 11324578378536.

The previous prime is 11331020119871. The next prime is 11331020119997. The reversal of 11331020119987 is 78991102013311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11331020119987 - 2¹⁹ = 11331019595699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331020119997) 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, 3220868088 + ... + 3220871605.

It is an arithmetic number, because the mean of its divisors is an integer number (2834365465360).

Almost surely, 2^{11331020119987} is an apocalyptic number.

11331020119987 is a deficient number, since it is larger than the sum of its proper divisors (6441741453).

11331020119987 is an equidigital number, since it uses as much as digits as its factorization.

11331020119987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441741452.

The product of its (nonzero) digits is 81648, while the sum is 46.

The spelling of 11331020119987 in words is "eleven trillion, three hundred thirty-one billion, twenty million, one hundred nineteen thousand, nine hundred eighty-seven".