111457414643 has 2 divisors, whose sum is σ = 111457414644. Its totient is φ = 111457414642.

The previous prime is 111457414639. The next prime is 111457414703. The reversal of 111457414643 is 346414754111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111457414643 - 2² = 111457414639 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111457414643.

It is not a weakly prime, because it can be changed into another prime (111457414633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55728707321 + 55728707322.

It is an arithmetic number, because the mean of its divisors is an integer number (55728707322).

Almost surely, 2^111457414643 is an apocalyptic number.

111457414643 is a deficient number, since it is larger than the sum of its proper divisors (1).

111457414643 is an equidigital number, since it uses as much as digits as its factorization.

111457414643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

It can be divided in two parts, 111 and 457414643, that added together give a palindrome (457414754).

The spelling of 111457414643 in words is "one hundred eleven billion, four hundred fifty-seven million, four hundred fourteen thousand, six hundred forty-three".