111456549011 has 2 divisors, whose sum is σ = 111456549012. Its totient is φ = 111456549010.

The previous prime is 111456548989. The next prime is 111456549107. The reversal of 111456549011 is 110945654111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111456549011 - 2¹⁸ = 111456286867 is a prime.

It is not a weakly prime, because it can be changed into another prime (111456549511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55728274505 + 55728274506.

It is an arithmetic number, because the mean of its divisors is an integer number (55728274506).

Almost surely, 2^111456549011 is an apocalyptic number.

111456549011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111456549011 is an equidigital number, since it uses as much as digits as its factorization.

111456549011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 111456549011 in words is "one hundred eleven billion, four hundred fifty-six million, five hundred forty-nine thousand, eleven".