42525353551 has 4 divisors (see below), whose sum is σ = 42707866032. Its totient is φ = 42342841072.

The previous prime is 42525353537. The next prime is 42525353599. The reversal of 42525353551 is 15535352524.

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 42525353551 - 2¹¹ = 42525351503 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525353051) 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, 91255891 + ... + 91256356.

It is an arithmetic number, because the mean of its divisors is an integer number (10676966508).

Almost surely, 2^42525353551 is an apocalyptic number.

42525353551 is a deficient number, since it is larger than the sum of its proper divisors (182512481).

42525353551 is a wasteful number, since it uses less digits than its factorization.

42525353551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182512480.

The product of its digits is 450000, while the sum is 40.

The spelling of 42525353551 in words is "forty-two billion, five hundred twenty-five million, three hundred fifty-three thousand, five hundred fifty-one".