42557330111231 has 8 divisors (see below), whose sum is σ = 46013564402064. Its totient is φ = 39127180608000.

The previous prime is 42557330111207. The next prime is 42557330111267. The reversal of 42557330111231 is 13211103375524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42557330111231 - 2³⁴ = 42540150242047 is a prime.

It is a super-2 number, since 2×42557330111231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42557330111831) 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, 6521193506 + ... + 6521200031.

It is an arithmetic number, because the mean of its divisors is an integer number (5751695550258).

Almost surely, 2^{42557330111231} is an apocalyptic number.

42557330111231 is a deficient number, since it is larger than the sum of its proper divisors (3456234290833).

42557330111231 is a wasteful number, since it uses less digits than its factorization.

42557330111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042393801.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 42557330111231 its reverse (13211103375524), we get a palindrome (55768433486755).

The spelling of 42557330111231 in words is "forty-two trillion, five hundred fifty-seven billion, three hundred thirty million, one hundred eleven thousand, two hundred thirty-one".