111742042357 has 16 divisors (see below), whose sum is σ = 124399742400. Its totient is φ = 99519580800.

The previous prime is 111742042309. The next prime is 111742042367. The reversal of 111742042357 is 753240247111.

It is a cyclic number.

It is not a de Polignac number, because 111742042357 - 2⁷ = 111742042229 is a prime.

It is a super-2 number, since 2×111742042357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111742042367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347319 + ... + 586612.

It is an arithmetic number, because the mean of its divisors is an integer number (7774983900).

Almost surely, 2^111742042357 is an apocalyptic number.

It is an amenable number.

111742042357 is a deficient number, since it is larger than the sum of its proper divisors (12657700043).

111742042357 is a wasteful number, since it uses less digits than its factorization.

111742042357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934164.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 111742042357 its reverse (753240247111), we get a palindrome (864982289468).

The spelling of 111742042357 in words is "one hundred eleven billion, seven hundred forty-two million, forty-two thousand, three hundred fifty-seven".