1112345557791 has 32 divisors (see below), whose sum is σ = 1602591782400. Its totient is φ = 682216566144.

The previous prime is 1112345557789. The next prime is 1112345557793. The reversal of 1112345557791 is 1977555432111.

It is an interprime number because it is at equal distance from previous prime (1112345557789) and next prime (1112345557793).

It is not a de Polignac number, because 1112345557791 - 2¹ = 1112345557789 is a prime.

It is a super-3 number, since 3×1112345557791³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112345557793) 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, 107540566 + ... + 107550908.

It is an arithmetic number, because the mean of its divisors is an integer number (50080993200).

Almost surely, 2^{1112345557791} is an apocalyptic number.

1112345557791 is a deficient number, since it is larger than the sum of its proper divisors (490246224609).

1112345557791 is a wasteful number, since it uses less digits than its factorization.

1112345557791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19375.

The product of its digits is 1323000, while the sum is 51.

The spelling of 1112345557791 in words is "one trillion, one hundred twelve billion, three hundred forty-five million, five hundred fifty-seven thousand, seven hundred ninety-one".