42525155487 has 4 divisors (see below), whose sum is σ = 56700207320. Its totient is φ = 28350103656.

The previous prime is 42525155483. The next prime is 42525155489. The reversal of 42525155487 is 78455152524.

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

It is not a de Polignac number, because 42525155487 - 2² = 42525155483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525155483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7087525912 + ... + 7087525917.

It is an arithmetic number, because the mean of its divisors is an integer number (14175051830).

Almost surely, 2^42525155487 is an apocalyptic number.

42525155487 is a deficient number, since it is larger than the sum of its proper divisors (14175051833).

42525155487 is a wasteful number, since it uses less digits than its factorization.

42525155487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175051832.

The product of its digits is 2240000, while the sum is 48.

The spelling of 42525155487 in words is "forty-two billion, five hundred twenty-five million, one hundred fifty-five thousand, four hundred eighty-seven".