42504551503365 has 64 divisors (see below), whose sum is σ = 79291368308736. Its totient is φ = 19041467461632.

The previous prime is 42504551503331. The next prime is 42504551503373. The reversal of 42504551503365 is 56330515540524.

It is not a de Polignac number, because 42504551503365 - 2¹² = 42504551499269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14294757 + ... + 17010266.

It is an arithmetic number, because the mean of its divisors is an integer number (1238927629824).

Almost surely, 2^{42504551503365} is an apocalyptic number.

It is an amenable number.

42504551503365 is a deficient number, since it is larger than the sum of its proper divisors (36786816805371).

42504551503365 is a wasteful number, since it uses less digits than its factorization.

42504551503365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31305298.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 42504551503365 in words is "forty-two trillion, five hundred four billion, five hundred fifty-one million, five hundred three thousand, three hundred sixty-five".