111405315434 has 32 divisors (see below), whose sum is σ = 197786812800. Its totient is φ = 47032501824.

The previous prime is 111405315419. The next prime is 111405315449. The reversal of 111405315434 is 434513504111.

111405315434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111405315419) and next prime (111405315449).

It is a super-2 number, since 2×111405315434² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111405315434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165967 + ... + 1257890.

It is an arithmetic number, because the mean of its divisors is an integer number (6180837900).

Almost surely, 2^111405315434 is an apocalyptic number.

111405315434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111405315434 is a deficient number, since it is larger than the sum of its proper divisors (86381497366).

111405315434 is an equidigital number, since it uses as much as digits as its factorization.

111405315434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423947 (or 2423933 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 111405315434 its reverse (434513504111), we get a palindrome (545918819545).

The spelling of 111405315434 in words is "one hundred eleven billion, four hundred five million, three hundred fifteen thousand, four hundred thirty-four".