42425525501 has 4 divisors (see below), whose sum is σ = 42603038400. Its totient is φ = 42248012604.

The previous prime is 42425525473. The next prime is 42425525563. The reversal of 42425525501 is 10552552424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42425525501 - 2³⁰ = 41351783677 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 (42425522501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88756091 + ... + 88756568.

It is an arithmetic number, because the mean of its divisors is an integer number (10650759600).

Almost surely, 2^42425525501 is an apocalyptic number.

It is an amenable number.

42425525501 is a deficient number, since it is larger than the sum of its proper divisors (177512899).

42425525501 is a wasteful number, since it uses less digits than its factorization.

42425525501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177512898.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 42425525501 in words is "forty-two billion, four hundred twenty-five million, five hundred twenty-five thousand, five hundred one".