111342120432 has 80 divisors (see below), whose sum is σ = 307569055392. Its totient is φ = 34584985600.

The previous prime is 111342120413. The next prime is 111342120451. The reversal of 111342120432 is 234021243111.

It is an interprime number because it is at equal distance from previous prime (111342120413) and next prime (111342120451).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 593073 + ... + 757904.

Almost surely, 2^111342120432 is an apocalyptic number.

111342120432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111342120432 is an abundant number, since it is smaller than the sum of its proper divisors (196226934960).

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

111342120432 is a wasteful number, since it uses less digits than its factorization.

111342120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351106 (or 1351100 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111342120432 its reverse (234021243111), we get a palindrome (345363363543).

The spelling of 111342120432 in words is "one hundred eleven billion, three hundred forty-two million, one hundred twenty thousand, four hundred thirty-two".