111534736321 has 8 divisors (see below), whose sum is σ = 114557696360. Its totient is φ = 108512224128.

The previous prime is 111534736307. The next prime is 111534736333. The reversal of 111534736321 is 123637435111.

It can be written as a sum of positive squares in 4 ways, for example, as 9377791921 + 102156944400 = 96839^2 + 319620^2 .

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 111534736321 - 2⁷ = 111534736193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111534736381) 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, 427645 + ... + 637141.

It is an arithmetic number, because the mean of its divisors is an integer number (14319712045).

Almost surely, 2^111534736321 is an apocalyptic number.

It is an amenable number.

111534736321 is a deficient number, since it is larger than the sum of its proper divisors (3022960039).

111534736321 is a wasteful number, since it uses less digits than its factorization.

111534736321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223923.

The product of its digits is 45360, while the sum is 37.

It can be divided in two parts, 11153 and 4736321, that added together give a palindrome (4747474).

The spelling of 111534736321 in words is "one hundred eleven billion, five hundred thirty-four million, seven hundred thirty-six thousand, three hundred twenty-one".