111530423453 has 8 divisors (see below), whose sum is σ = 120573431520. Its totient is φ = 102804714000.

The previous prime is 111530423443. The next prime is 111530423461. The reversal of 111530423453 is 354324035111.

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 111530423453 - 2³² = 107235456157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111530423423) 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, 79323923 + ... + 79325328.

It is an arithmetic number, because the mean of its divisors is an integer number (15071678940).

Almost surely, 2^111530423453 is an apocalyptic number.

It is an amenable number.

111530423453 is a deficient number, since it is larger than the sum of its proper divisors (9043008067).

111530423453 is a wasteful number, since it uses less digits than its factorization.

111530423453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158649307.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 111530423453 its reverse (354324035111), we get a palindrome (465854458564).

The spelling of 111530423453 in words is "one hundred eleven billion, five hundred thirty million, four hundred twenty-three thousand, four hundred fifty-three".