111142268304377 has 2 divisors, whose sum is σ = 111142268304378. Its totient is φ = 111142268304376.

The previous prime is 111142268304307. The next prime is 111142268304421. The reversal of 111142268304377 is 773403862241111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91154832630016 + 19987435674361 = 9547504^2 + 4470731^2 .

It is a cyclic number.

It is not a de Polignac number, because 111142268304377 - 2¹⁸ = 111142268042233 is a prime.

It is not a weakly prime, because it can be changed into another prime (111142268304307) 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, 55571134152188 + 55571134152189.

It is an arithmetic number, because the mean of its divisors is an integer number (55571134152189).

Almost surely, 2^{111142268304377} is an apocalyptic number.

It is an amenable number.

111142268304377 is a deficient number, since it is larger than the sum of its proper divisors (1).

111142268304377 is an equidigital number, since it uses as much as digits as its factorization.

111142268304377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 111142268304377 in words is "one hundred eleven trillion, one hundred forty-two billion, two hundred sixty-eight million, three hundred four thousand, three hundred seventy-seven".