80075321515 has 48 divisors (see below), whose sum is σ = 114886588032. Its totient is φ = 53397017856.

The previous prime is 80075321509. The next prime is 80075321531. The reversal of 80075321515 is 51512357008.

It is a happy number.

It is not a de Polignac number, because 80075321515 - 2¹³ = 80075313323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1785709 + ... + 1830001.

It is an arithmetic number, because the mean of its divisors is an integer number (2393470584).

Almost surely, 2^80075321515 is an apocalyptic number.

80075321515 is a deficient number, since it is larger than the sum of its proper divisors (34811266517).

80075321515 is a wasteful number, since it uses less digits than its factorization.

80075321515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44516 (or 44509 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 80075321515 in words is "eighty billion, seventy-five million, three hundred twenty-one thousand, five hundred fifteen".