42518237431001 has 4 divisors (see below), whose sum is σ = 42687632799504. Its totient is φ = 42348842062500.

The previous prime is 42518237430959. The next prime is 42518237431013. The reversal of 42518237431001 is 10013473281524.

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 42518237431001 - 2³⁸ = 42243359524057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42518237431001.

It is not an unprimeable number, because it can be changed into a prime (42518237430001) 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, 84697683875 + ... + 84697684376.

It is an arithmetic number, because the mean of its divisors is an integer number (10671908199876).

Almost surely, 2^{42518237431001} is an apocalyptic number.

It is an amenable number.

42518237431001 is a deficient number, since it is larger than the sum of its proper divisors (169395368503).

42518237431001 is a wasteful number, since it uses less digits than its factorization.

42518237431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169395368502.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 42518237431001 in words is "forty-two trillion, five hundred eighteen billion, two hundred thirty-seven million, four hundred thirty-one thousand, one".