42551025523 has 8 divisors (see below), whose sum is σ = 42767840192. Its totient is φ = 42334719336.

The previous prime is 42551025487. The next prime is 42551025527. The reversal of 42551025523 is 32552015524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42551025523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42551025527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41236 + ... + 294622.

It is an arithmetic number, because the mean of its divisors is an integer number (5345980024).

Almost surely, 2^42551025523 is an apocalyptic number.

42551025523 is a deficient number, since it is larger than the sum of its proper divisors (216814669).

42551025523 is a wasteful number, since it uses less digits than its factorization.

42551025523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254241.

The product of its (nonzero) digits is 60000, while the sum is 34.

Subtracting from 42551025523 its reverse (32552015524), we obtain a palindrome (9999009999).

The spelling of 42551025523 in words is "forty-two billion, five hundred fifty-one million, twenty-five thousand, five hundred twenty-three".