111534034120 has 32 divisors (see below), whose sum is σ = 251341917120. Its totient is φ = 44544219840.

The previous prime is 111534034111. The next prime is 111534034169. The reversal of 111534034120 is 21430435111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142516 + ... + 2193955.

It is an arithmetic number, because the mean of its divisors is an integer number (7854434910).

Almost surely, 2^111534034120 is an apocalyptic number.

111534034120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111534034120 is an abundant number, since it is smaller than the sum of its proper divisors (139807883000).

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

111534034120 is a wasteful number, since it uses less digits than its factorization.

111534034120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337125 (or 4337121 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 111534034120 its reverse (21430435111), we get a palindrome (132964469231).

The spelling of 111534034120 in words is "one hundred eleven billion, five hundred thirty-four million, thirty-four thousand, one hundred twenty".