1112355577779 has 16 divisors (see below), whose sum is σ = 1496765176704. Its totient is φ = 734788800000.

The previous prime is 1112355577769. The next prime is 1112355577829. The reversal of 1112355577779 is 9777755532111.

It is a happy number.

It is not a de Polignac number, because 1112355577779 - 2⁴ = 1112355577763 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112355577709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681697 + ... + 3972354.

It is an arithmetic number, because the mean of its divisors is an integer number (93547823544).

Almost surely, 2^{1112355577779} is an apocalyptic number.

1112355577779 is a deficient number, since it is larger than the sum of its proper divisors (384409598925).

1112355577779 is a wasteful number, since it uses less digits than its factorization.

1112355577779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654498.

The product of its digits is 16206750, while the sum is 60.

The spelling of 1112355577779 in words is "one trillion, one hundred twelve billion, three hundred fifty-five million, five hundred seventy-seven thousand, seven hundred seventy-nine".