111351042 has 48 divisors (see below), whose sum is σ = 263895840. Its totient is φ = 33652800.

The previous prime is 111351011. The next prime is 111351043. The reversal of 111351042 is 240153111.

111351042 is a `hidden beast` number, since 1 + 113 + 510 + 42 = 666.

It is a super-3 number, since 3×111351042³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111351043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145942 + ... + 146702.

It is an arithmetic number, because the mean of its divisors is an integer number (5497830).

Almost surely, 2^111351042 is an apocalyptic number.

111351042 is an abundant number, since it is smaller than the sum of its proper divisors (152544798).

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

111351042 is a wasteful number, since it uses less digits than its factorization.

111351042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111351042 is about 10552.3003179402. The cubic root of 111351042 is about 481.0956482117.

It can be divided in two parts, 111 and 351042, that added together give a palindrome (351153).

The spelling of 111351042 in words is "one hundred eleven million, three hundred fifty-one thousand, forty-two".