111457981229053 has 2 divisors, whose sum is σ = 111457981229054. Its totient is φ = 111457981229052.

The previous prime is 111457981228991. The next prime is 111457981229167. The reversal of 111457981229053 is 350922189754111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87595410814564 + 23862570414489 = 9359242^2 + 4884933^2 .

It is a cyclic number.

It is not a de Polignac number, because 111457981229053 - 2²¹ = 111457979131901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111457981229453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55728990614526 + 55728990614527.

It is an arithmetic number, because the mean of its divisors is an integer number (55728990614527).

Almost surely, 2^{111457981229053} is an apocalyptic number.

It is an amenable number.

111457981229053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111457981229053 is an equidigital number, since it uses as much as digits as its factorization.

111457981229053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 111457981229053 in words is "one hundred eleven trillion, four hundred fifty-seven billion, nine hundred eighty-one million, two hundred twenty-nine thousand, fifty-three".