111311241103988 has 24 divisors (see below), whose sum is σ = 197226866579400. Its totient is φ = 54962253767168.

The previous prime is 111311241103987. The next prime is 111311241104057. The reversal of 111311241103988 is 889301142113111.

It can be written as a sum of positive squares in 4 ways, for example, as 22052810465764 + 89258430638224 = 4696042^2 + 9447668^2 .

It is a super-2 number, since 2×111311241103988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311241103987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192957995 + ... + 193534002.

It is an arithmetic number, because the mean of its divisors is an integer number (8217786107475).

Almost surely, 2^{111311241103988} is an apocalyptic number.

It is an amenable number.

111311241103988 is a deficient number, since it is larger than the sum of its proper divisors (85915625475412).

111311241103988 is a wasteful number, since it uses less digits than its factorization.

111311241103988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386492899 (or 386492897 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 44.

The spelling of 111311241103988 in words is "one hundred eleven trillion, three hundred eleven billion, two hundred forty-one million, one hundred three thousand, nine hundred eighty-eight".