111478080142 has 64 divisors (see below), whose sum is σ = 208094298048. Its totient is φ = 44004096000.

The previous prime is 111478080139. The next prime is 111478080143. The reversal of 111478080142 is 241080874111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111478080143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20714292 + ... + 20719672.

It is an arithmetic number, because the mean of its divisors is an integer number (3251473407).

Almost surely, 2^111478080142 is an apocalyptic number.

111478080142 is a deficient number, since it is larger than the sum of its proper divisors (96616217906).

111478080142 is a wasteful number, since it uses less digits than its factorization.

111478080142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685.

The product of its (nonzero) digits is 14336, while the sum is 37.

It can be divided in two parts, 1114 and 78080142, that added together give a triangular number (78081256 = T₁₂₄₉₆).

The spelling of 111478080142 in words is "one hundred eleven billion, four hundred seventy-eight million, eighty thousand, one hundred forty-two".