11111131320302 has 32 divisors (see below), whose sum is σ = 18000149317920. Its totient is φ = 5113549946880.

The previous prime is 11111131320299. The next prime is 11111131320383. The reversal of 11111131320302 is 20302313111111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12382673 + ... + 13249635.

It is an arithmetic number, because the mean of its divisors is an integer number (562504666185).

Almost surely, 2^{11111131320302} is an apocalyptic number.

11111131320302 is a deficient number, since it is larger than the sum of its proper divisors (6889017997618).

11111131320302 is a wasteful number, since it uses less digits than its factorization.

11111131320302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868388.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11111131320302 its reverse (20302313111111), we get a palindrome (31413444431413).

The spelling of 11111131320302 in words is "eleven trillion, one hundred eleven billion, one hundred thirty-one million, three hundred twenty thousand, three hundred two".