111434124403309 has 4 divisors (see below), whose sum is σ = 112537432565820. Its totient is φ = 110330816240800.

The previous prime is 111434124403267. The next prime is 111434124403337. The reversal of 111434124403309 is 903304421434111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51785611073284 + 59648513330025 = 7196222^2 + 7723245^2 .

It is a cyclic number.

It is not a de Polignac number, because 111434124403309 - 2¹¹ = 111434124401261 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434124403009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551654081104 + ... + 551654081305.

It is an arithmetic number, because the mean of its divisors is an integer number (28134358141455).

Almost surely, 2^{111434124403309} is an apocalyptic number.

It is an amenable number.

111434124403309 is a deficient number, since it is larger than the sum of its proper divisors (1103308162511).

111434124403309 is a wasteful number, since it uses less digits than its factorization.

111434124403309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103308162510.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 111434124403309 in words is "one hundred eleven trillion, four hundred thirty-four billion, one hundred twenty-four million, four hundred three thousand, three hundred nine".