111044878573 has 2 divisors, whose sum is σ = 111044878574. Its totient is φ = 111044878572.

The previous prime is 111044878559. The next prime is 111044878579. The reversal of 111044878573 is 375878440111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98908992004 + 12135886569 = 314498^2 + 110163^2 .

It is an emirp because it is prime and its reverse (375878440111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111044878573 - 2⁵ = 111044878541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111044878579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55522439286 + 55522439287.

It is an arithmetic number, because the mean of its divisors is an integer number (55522439287).

Almost surely, 2^111044878573 is an apocalyptic number.

It is an amenable number.

111044878573 is a deficient number, since it is larger than the sum of its proper divisors (1).

111044878573 is an equidigital number, since it uses as much as digits as its factorization.

111044878573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 111044878573 in words is "one hundred eleven billion, forty-four million, eight hundred seventy-eight thousand, five hundred seventy-three".