80775358357525 has 12 divisors (see below), whose sum is σ = 107866170853252. Its totient is φ = 59649495402240.

The previous prime is 80775358357511. The next prime is 80775358357567. The reversal of 80775358357525 is 52575385357708.

It can be written as a sum of positive squares in 6 ways, for example, as 2323143601 + 80773035213924 = 48199^2 + 8987382^2 .

It is not a de Polignac number, because 80775358357525 - 2⁹ = 80775358357013 is a prime.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 124269781764 + ... + 124269782413.

Almost surely, 2^{80775358357525} is an apocalyptic number.

It is an amenable number.

80775358357525 is a deficient number, since it is larger than the sum of its proper divisors (27090812495727).

80775358357525 is a wasteful number, since it uses less digits than its factorization.

80775358357525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248539564200 (or 248539564195 counting only the distinct ones).

The product of its (nonzero) digits is 1234800000, while the sum is 70.

The spelling of 80775358357525 in words is "eighty trillion, seven hundred seventy-five billion, three hundred fifty-eight million, three hundred fifty-seven thousand, five hundred twenty-five".