1111112345679 has 32 divisors (see below), whose sum is σ = 1782393530880. Its totient is φ = 601451039232.

The previous prime is 1111112345671. The next prime is 1111112345771. The reversal of 1111112345679 is 9765432111111.

It is a happy number.

It is not a de Polignac number, because 1111112345679 - 2³ = 1111112345671 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111112345679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112345671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4603699 + ... + 4839035.

It is an arithmetic number, because the mean of its divisors is an integer number (55699797840).

Almost surely, 2^{1111112345679} is an apocalyptic number.

1111112345679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1111112345679 is a deficient number, since it is larger than the sum of its proper divisors (671281185201).

1111112345679 is a wasteful number, since it uses less digits than its factorization.

1111112345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247199.

The product of its digits is 45360, while the sum is 42.

The spelling of 1111112345679 in words is "one trillion, one hundred eleven billion, one hundred twelve million, three hundred forty-five thousand, six hundred seventy-nine".