111154554113 has 2 divisors, whose sum is σ = 111154554114. Its totient is φ = 111154554112.

The previous prime is 111154554107. The next prime is 111154554139. The reversal of 111154554113 is 311455451111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108948185329 + 2206368784 = 330073^2 + 46972^2 .

It is a cyclic number.

It is not a de Polignac number, because 111154554113 - 2⁴ = 111154554097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111154554113.

It is not a weakly prime, because it can be changed into another prime (111154554013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55577277056 + 55577277057.

It is an arithmetic number, because the mean of its divisors is an integer number (55577277057).

Almost surely, 2^111154554113 is an apocalyptic number.

It is an amenable number.

111154554113 is a deficient number, since it is larger than the sum of its proper divisors (1).

111154554113 is an equidigital number, since it uses as much as digits as its factorization.

111154554113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 32.

The spelling of 111154554113 in words is "one hundred eleven billion, one hundred fifty-four million, five hundred fifty-four thousand, one hundred thirteen".