8081135570 has 32 divisors (see below), whose sum is σ = 14599893168. Its totient is φ = 3220512768.

The previous prime is 8081135539. The next prime is 8081135591. The reversal of 8081135570 is 755311808.

It can be written as a sum of positive squares in 8 ways, for example, as 6727116361 + 1354019209 = 82019^2 + 36797^2 .

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, 5560964 + ... + 5562416.

Almost surely, 2^8081135570 is an apocalyptic number.

8081135570 is a deficient number, since it is larger than the sum of its proper divisors (6518757598).

8081135570 is a wasteful number, since it uses less digits than its factorization.

8081135570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 8081135570 is about 89895.1365202812. The cubic root of 8081135570 is about 2006.7385678527.

The spelling of 8081135570 in words is "eight billion, eighty-one million, one hundred thirty-five thousand, five hundred seventy".