42525030055251 has 4 divisors (see below), whose sum is σ = 56700040073672. Its totient is φ = 28350020036832.

The previous prime is 42525030055217. The next prime is 42525030055279. The reversal of 42525030055251 is 15255003052524.

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

It is not a de Polignac number, because 42525030055251 - 2⁹ = 42525030054739 is a prime.

It is a super-2 number, since 2×42525030055251² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42525030455251) 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, 7087505009206 + ... + 7087505009211.

It is an arithmetic number, because the mean of its divisors is an integer number (14175010018418).

Almost surely, 2^{42525030055251} is an apocalyptic number.

42525030055251 is a deficient number, since it is larger than the sum of its proper divisors (14175010018421).

42525030055251 is a wasteful number, since it uses less digits than its factorization.

42525030055251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175010018420.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 42525030055251 in words is "forty-two trillion, five hundred twenty-five billion, thirty million, fifty-five thousand, two hundred fifty-one".