111053697837209 has 2 divisors, whose sum is σ = 111053697837210. Its totient is φ = 111053697837208.

The previous prime is 111053697837191. The next prime is 111053697837287. The reversal of 111053697837209 is 902738796350111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108349883265625 + 2703814571584 = 10409125^2 + 1644328^2 .

It is a cyclic number.

It is not a de Polignac number, because 111053697837209 - 2²⁸ = 111053429401753 is a prime.

It is not a weakly prime, because it can be changed into another prime (111053697857209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55526848918604 + 55526848918605.

It is an arithmetic number, because the mean of its divisors is an integer number (55526848918605).

Almost surely, 2^{111053697837209} is an apocalyptic number.

It is an amenable number.

111053697837209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111053697837209 is an equidigital number, since it uses as much as digits as its factorization.

111053697837209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 111053697837209 in words is "one hundred eleven trillion, fifty-three billion, six hundred ninety-seven million, eight hundred thirty-seven thousand, two hundred nine".