42112134254555 has 16 divisors (see below), whose sum is σ = 53526163560480. Its totient is φ = 31696711782912.

The previous prime is 42112134254551. The next prime is 42112134254557. The reversal of 42112134254555 is 55545243121124.

It is a cyclic number.

It is not a de Polignac number, because 42112134254555 - 2² = 42112134254551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42112134254551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87634964 + ... + 88114193.

It is an arithmetic number, because the mean of its divisors is an integer number (3345385222530).

Almost surely, 2^{42112134254555} is an apocalyptic number.

42112134254555 is a deficient number, since it is larger than the sum of its proper divisors (11414029305925).

42112134254555 is a wasteful number, since it uses less digits than its factorization.

42112134254555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175751998.

The product of its digits is 960000, while the sum is 44.

Adding to 42112134254555 its reverse (55545243121124), we get a palindrome (97657377375679).

The spelling of 42112134254555 in words is "forty-two trillion, one hundred twelve billion, one hundred thirty-four million, two hundred fifty-four thousand, five hundred fifty-five".