111552530052 has 12 divisors (see below), whose sum is σ = 260289236816. Its totient is φ = 37184176680.

The previous prime is 111552529997. The next prime is 111552530053. The reversal of 111552530052 is 250035255111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×111552530052² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111552530053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4648022074 + ... + 4648022097.

Almost surely, 2^111552530052 is an apocalyptic number.

111552530052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111552530052 is an abundant number, since it is smaller than the sum of its proper divisors (148736706764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111552530052 is a wasteful number, since it uses less digits than its factorization.

111552530052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296044178 (or 9296044176 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 111552530052 its reverse (250035255111), we get a palindrome (361587785163).

The spelling of 111552530052 in words is "one hundred eleven billion, five hundred fifty-two million, five hundred thirty thousand, fifty-two".