11111081444085 has 96 divisors (see below), whose sum is σ = 21972097635840. Its totient is φ = 4767044462208.

The previous prime is 11111081443997. The next prime is 11111081444101. The reversal of 11111081444085 is 58044418011111.

It is not a de Polignac number, because 11111081444085 - 2¹⁵ = 11111081411317 is a prime.

It is a super-2 number, since 2×11111081444085² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2223679 + ... + 5212188.

It is an arithmetic number, because the mean of its divisors is an integer number (228876017040).

Almost surely, 2^{11111081444085} is an apocalyptic number.

11111081444085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11111081444085 is a deficient number, since it is larger than the sum of its proper divisors (10861016191755).

11111081444085 is a wasteful number, since it uses less digits than its factorization.

11111081444085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436015 (or 7436008 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 39.

Adding to 11111081444085 its reverse (58044418011111), we get a palindrome (69155499455196).

The spelling of 11111081444085 in words is "eleven trillion, one hundred eleven billion, eighty-one million, four hundred forty-four thousand, eighty-five".