111445403052 has 12 divisors (see below), whose sum is σ = 260039273816. Its totient is φ = 37148467680.

The previous prime is 111445403039. The next prime is 111445403053. The reversal of 111445403052 is 250304544111.

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

It is a super-2 number, since 2×111445403052² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111445403053) 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, 4643558449 + ... + 4643558472.

Almost surely, 2^111445403052 is an apocalyptic number.

111445403052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111445403052 is an abundant number, since it is smaller than the sum of its proper divisors (148593870764).

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

111445403052 is a wasteful number, since it uses less digits than its factorization.

111445403052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287116928 (or 9287116926 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 111445403052 its reverse (250304544111), we get a palindrome (361749947163).

The spelling of 111445403052 in words is "one hundred eleven billion, four hundred forty-five million, four hundred three thousand, fifty-two".