70520516015 has 16 divisors (see below), whose sum is σ = 85244298048. Its totient is φ = 56004796416.

The previous prime is 70520515987. The next prime is 70520516021. The reversal of 70520516015 is 51061502507.

It is a cyclic number.

It is not a de Polignac number, because 70520516015 - 2¹⁴ = 70520499631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282854 + ... + 470156.

It is an arithmetic number, because the mean of its divisors is an integer number (5327768628).

Almost surely, 2^70520516015 is an apocalyptic number.

70520516015 is a deficient number, since it is larger than the sum of its proper divisors (14723782033).

70520516015 is a wasteful number, since it uses less digits than its factorization.

70520516015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187858.

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 70520516015 in words is "seventy billion, five hundred twenty million, five hundred sixteen thousand, fifteen".