111049108069 has 2 divisors, whose sum is σ = 111049108070. Its totient is φ = 111049108068.

The previous prime is 111049107943. The next prime is 111049108097. The reversal of 111049108069 is 960801940111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63378062500 + 47671045569 = 251750^2 + 218337^2 .

It is a cyclic number.

It is not a de Polignac number, because 111049108069 - 2¹³ = 111049099877 is a prime.

It is a super-2 number, since 2×111049108069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111049108169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55524554034 + 55524554035.

It is an arithmetic number, because the mean of its divisors is an integer number (55524554035).

Almost surely, 2^111049108069 is an apocalyptic number.

It is an amenable number.

111049108069 is a deficient number, since it is larger than the sum of its proper divisors (1).

111049108069 is an equidigital number, since it uses as much as digits as its factorization.

111049108069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 40.

The spelling of 111049108069 in words is "one hundred eleven billion, forty-nine million, one hundred eight thousand, sixty-nine".