42551225333111 has 4 divisors (see below), whose sum is σ = 46419518545224. Its totient is φ = 38682932121000.

The previous prime is 42551225333093. The next prime is 42551225333159. The reversal of 42551225333111 is 11133352215524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42551225333111 - 2¹⁴ = 42551225316727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42551225333711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934146606040 + ... + 1934146606061.

It is an arithmetic number, because the mean of its divisors is an integer number (11604879636306).

Almost surely, 2^{42551225333111} is an apocalyptic number.

42551225333111 is a deficient number, since it is larger than the sum of its proper divisors (3868293212113).

42551225333111 is a wasteful number, since it uses less digits than its factorization.

42551225333111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868293212112.

The product of its digits is 108000, while the sum is 38.

Adding to 42551225333111 its reverse (11133352215524), we get a palindrome (53684577548635).

The spelling of 42551225333111 in words is "forty-two trillion, five hundred fifty-one billion, two hundred twenty-five million, three hundred thirty-three thousand, one hundred eleven".