42601233111 has 16 divisors (see below), whose sum is σ = 56995257600. Its totient is φ = 28304131968.

The previous prime is 42601233107. The next prime is 42601233139. The reversal of 42601233111 is 11133210624.

It is a happy number.

It is not a de Polignac number, because 42601233111 - 2² = 42601233107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42601231111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540575 + ... + 1567983.

It is an arithmetic number, because the mean of its divisors is an integer number (3562203600).

Almost surely, 2^42601233111 is an apocalyptic number.

42601233111 is a deficient number, since it is larger than the sum of its proper divisors (14394024489).

42601233111 is a wasteful number, since it uses less digits than its factorization.

42601233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29158.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 42601233111 its reverse (11133210624), we get a palindrome (53734443735).

The spelling of 42601233111 in words is "forty-two billion, six hundred one million, two hundred thirty-three thousand, one hundred eleven".