111309135437 has 8 divisors (see below), whose sum is σ = 111409492320. Its totient is φ = 111208816080.

The previous prime is 111309135397. The next prime is 111309135491. The reversal of 111309135437 is 734531903111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111309135437 - 2³⁶ = 42589658701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111309135437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111309132437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12744362 + ... + 12753092.

It is an arithmetic number, because the mean of its divisors is an integer number (13926186540).

Almost surely, 2^111309135437 is an apocalyptic number.

It is an amenable number.

111309135437 is a deficient number, since it is larger than the sum of its proper divisors (100356883).

111309135437 is an equidigital number, since it uses as much as digits as its factorization.

111309135437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 111309135437 in words is "one hundred eleven billion, three hundred nine million, one hundred thirty-five thousand, four hundred thirty-seven".