111252843643 has 4 divisors (see below), whose sum is σ = 111307677040. Its totient is φ = 111198010248.

The previous prime is 111252843593. The next prime is 111252843697. The reversal of 111252843643 is 346348252111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346348252111 = 23 ⋅15058619657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111252843643 is a prime.

It is a super-2 number, since 2×111252843643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111252843596 and 111252843605.

It is not an unprimeable number, because it can be changed into a prime (111252843343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27413655 + ... + 27417712.

It is an arithmetic number, because the mean of its divisors is an integer number (27826919260).

Almost surely, 2^111252843643 is an apocalyptic number.

111252843643 is a deficient number, since it is larger than the sum of its proper divisors (54833397).

111252843643 is an equidigital number, since it uses as much as digits as its factorization.

111252843643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54833396.

The product of its digits is 138240, while the sum is 40.

The spelling of 111252843643 in words is "one hundred eleven billion, two hundred fifty-two million, eight hundred forty-three thousand, six hundred forty-three".