111553431413 has 8 divisors (see below), whose sum is σ = 111971532288. Its totient is φ = 111135441744.

The previous prime is 111553431403. The next prime is 111553431419. The reversal of 111553431413 is 314134355111.

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 111553431413 - 2¹² = 111553427317 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 111553431413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111553431419) 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, 2365220 + ... + 2411922.

It is an arithmetic number, because the mean of its divisors is an integer number (13996441536).

Almost surely, 2^111553431413 is an apocalyptic number.

It is an amenable number.

111553431413 is a deficient number, since it is larger than the sum of its proper divisors (418100875).

111553431413 is an equidigital number, since it uses as much as digits as its factorization.

111553431413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55603.

The product of its digits is 10800, while the sum is 32.

Adding to 111553431413 its reverse (314134355111), we get a palindrome (425687786524).

The spelling of 111553431413 in words is "one hundred eleven billion, five hundred fifty-three million, four hundred thirty-one thousand, four hundred thirteen".