111142023240432 has 80 divisors (see below), whose sum is σ = 287326065312000. Its totient is φ = 37020354233856.

The previous prime is 111142023240343. The next prime is 111142023240449. The reversal of 111142023240432 is 234042320241111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111142023240432.

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, 1503975708 + ... + 1504049604.

It is an arithmetic number, because the mean of its divisors is an integer number (3591575816400).

Almost surely, 2^{111142023240432} is an apocalyptic number.

111142023240432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111142023240432 is an abundant number, since it is smaller than the sum of its proper divisors (176184042071568).

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

111142023240432 is a wasteful number, since it uses less digits than its factorization.

111142023240432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96310 (or 96304 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 111142023240432 its reverse (234042320241111), we get a palindrome (345184343481543).

The spelling of 111142023240432 in words is "one hundred eleven trillion, one hundred forty-two billion, twenty-three million, two hundred forty thousand, four hundred thirty-two".