111409897325811 has 16 divisors (see below), whose sum is σ = 174355772392704. Its totient is φ = 61942182296544.

The previous prime is 111409897325803. The next prime is 111409897325813. The reversal of 111409897325811 is 118523798904111.

It is not a de Polignac number, because 111409897325811 - 2³ = 111409897325803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111409897325813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71692339845 + ... + 71692341398.

It is an arithmetic number, because the mean of its divisors is an integer number (10897235774544).

Almost surely, 2^{111409897325811} is an apocalyptic number.

111409897325811 is a deficient number, since it is larger than the sum of its proper divisors (62945875066893).

111409897325811 is a wasteful number, since it uses less digits than its factorization.

111409897325811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143384681290.

The product of its (nonzero) digits is 4354560, while the sum is 60.

The spelling of 111409897325811 in words is "one hundred eleven trillion, four hundred nine billion, eight hundred ninety-seven million, three hundred twenty-five thousand, eight hundred eleven".