42512872501 has 8 divisors (see below), whose sum is σ = 46379620800. Its totient is φ = 38646447840.

The previous prime is 42512872453. The next prime is 42512872511. The reversal of 42512872501 is 10527821524.

It is a happy number.

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

It is not a de Polignac number, because 42512872501 - 2²³ = 42504483893 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 (42512872511) 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, 254080 + ... + 386758.

It is an arithmetic number, because the mean of its divisors is an integer number (5797452600).

Almost surely, 2^42512872501 is an apocalyptic number.

It is an amenable number.

42512872501 is a deficient number, since it is larger than the sum of its proper divisors (3866748299).

42512872501 is a wasteful number, since it uses less digits than its factorization.

42512872501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161819.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 42512872501 in words is "forty-two billion, five hundred twelve million, eight hundred seventy-two thousand, five hundred one".