42520512001 has 4 divisors (see below), whose sum is σ = 46386013104. Its totient is φ = 38655010900.

The previous prime is 42520511951. The next prime is 42520512007. The reversal of 42520512001 is 10021502524.

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 not a de Polignac number, because 42520512001 - 2¹⁵ = 42520479233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42520512007) 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, 1932750535 + ... + 1932750556.

It is an arithmetic number, because the mean of its divisors is an integer number (11596503276).

Almost surely, 2^42520512001 is an apocalyptic number.

It is an amenable number.

42520512001 is a deficient number, since it is larger than the sum of its proper divisors (3865501103).

42520512001 is a wasteful number, since it uses less digits than its factorization.

42520512001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865501102.

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 42520512001 in words is "forty-two billion, five hundred twenty million, five hundred twelve thousand, one".