111453746142 has 16 divisors (see below), whose sum is σ = 223388939520. Its totient is φ = 37071007512.

The previous prime is 111453746113. The next prime is 111453746149. The reversal of 111453746142 is 241647354111.

It is a self number, because there is not a number n which added to its sum of digits gives 111453746142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111453746149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20057292 + ... + 20062847.

It is an arithmetic number, because the mean of its divisors is an integer number (13961808720).

Almost surely, 2^111453746142 is an apocalyptic number.

111453746142 is an abundant number, since it is smaller than the sum of its proper divisors (111935193378).

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

111453746142 is a wasteful number, since it uses less digits than its factorization.

111453746142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40120607.

The product of its digits is 80640, while the sum is 39.

The spelling of 111453746142 in words is "one hundred eleven billion, four hundred fifty-three million, seven hundred forty-six thousand, one hundred forty-two".