111532400545 has 8 divisors (see below), whose sum is σ = 133862615424. Its totient is φ = 89210097264.

The previous prime is 111532400543. The next prime is 111532400557. The reversal of 111532400545 is 545004235111.

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 111532400545 - 2¹ = 111532400543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111532400543) 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, 1946839 + ... + 2003308.

It is an arithmetic number, because the mean of its divisors is an integer number (16732826928).

Almost surely, 2^111532400545 is an apocalyptic number.

It is an amenable number.

111532400545 is a deficient number, since it is larger than the sum of its proper divisors (22330214879).

111532400545 is an equidigital number, since it uses as much as digits as its factorization.

111532400545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955799.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 111532400545 its reverse (545004235111), we get a palindrome (656536635656).

The spelling of 111532400545 in words is "one hundred eleven billion, five hundred thirty-two million, four hundred thousand, five hundred forty-five".