111534461412 has 96 divisors (see below), whose sum is σ = 299880075264. Its totient is φ = 31947350400.

The previous prime is 111534461377. The next prime is 111534461413. The reversal of 111534461412 is 214164435111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (111534461413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140983 + ... + 492894.

It is an arithmetic number, because the mean of its divisors is an integer number (3123750784).

Almost surely, 2^111534461412 is an apocalyptic number.

111534461412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111534461412 is an abundant number, since it is smaller than the sum of its proper divisors (188345613852).

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

111534461412 is a wasteful number, since it uses less digits than its factorization.

111534461412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633969 (or 633967 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

Adding to 111534461412 its reverse (214164435111), we get a palindrome (325698896523).

The spelling of 111534461412 in words is "one hundred eleven billion, five hundred thirty-four million, four hundred sixty-one thousand, four hundred twelve".