815050070721480 has 128 divisors (see below), whose sum is σ = 2717765587681920. Its totient is φ = 193859822407680.

The previous prime is 815050070721461. The next prime is 815050070721577. The reversal of 815050070721480 is 84127070050518.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5825044897 + ... + 5825184816.

It is an arithmetic number, because the mean of its divisors is an integer number (21232543653765).

Almost surely, 2^{815050070721480} is an apocalyptic number.

It is an amenable number.

815050070721480 is an abundant number, since it is smaller than the sum of its proper divisors (1902715516960440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

815050070721480 is a wasteful number, since it uses less digits than its factorization.

815050070721480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650229791 (or 11650229787 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 48.

The spelling of 815050070721480 in words is "eight hundred fifteen trillion, fifty billion, seventy million, seven hundred twenty-one thousand, four hundred eighty".