42505012054 has 4 divisors (see below), whose sum is σ = 63757518084. Its totient is φ = 21252506026.

The previous prime is 42505012049. The next prime is 42505012061. The reversal of 42505012054 is 45021050524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10626253012 + ... + 10626253015.

It is an arithmetic number, because the mean of its divisors is an integer number (15939379521).

Almost surely, 2^42505012054 is an apocalyptic number.

42505012054 is a deficient number, since it is larger than the sum of its proper divisors (21252506030).

42505012054 is a wasteful number, since it uses less digits than its factorization.

42505012054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21252506029.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 42505012054 its reverse (45021050524), we get a palindrome (87526062578).

The spelling of 42505012054 in words is "forty-two billion, five hundred five million, twelve thousand, fifty-four".