111405104052 has 48 divisors (see below), whose sum is σ = 283697733312. Its totient is φ = 33744705280.

The previous prime is 111405104029. The next prime is 111405104053. The reversal of 111405104052 is 250401504111.

It is a super-2 number, since 2×111405104052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111405104053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132088 + ... + 490160.

It is an arithmetic number, because the mean of its divisors is an integer number (5910369444).

Almost surely, 2^111405104052 is an apocalyptic number.

111405104052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111405104052 is an abundant number, since it is smaller than the sum of its proper divisors (172292629260).

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

111405104052 is a wasteful number, since it uses less digits than its factorization.

111405104052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360448 (or 360446 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 111405104052 its reverse (250401504111), we get a palindrome (361806608163).

The spelling of 111405104052 in words is "one hundred eleven billion, four hundred five million, one hundred four thousand, fifty-two".