8001157090 has 16 divisors (see below), whose sum is σ = 14463898488. Its totient is φ = 3186726016.

The previous prime is 8001157081. The next prime is 8001157123. The reversal of 8001157090 is 907511008.

It can be written as a sum of positive squares in 4 ways, for example, as 2864711529 + 5136445561 = 53523^2 + 71669^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714657 + ... + 1719316.

Almost surely, 2^8001157090 is an apocalyptic number.

8001157090 is a deficient number, since it is larger than the sum of its proper divisors (6462741398).

8001157090 is a wasteful number, since it uses less digits than its factorization.

8001157090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434213.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 8001157090 is about 89449.1871958600. The cubic root of 8001157090 is about 2000.0964195182.

Adding to 8001157090 its reverse (907511008), we get a palindrome (8908668098).

The spelling of 8001157090 in words is "eight billion, one million, one hundred fifty-seven thousand, ninety".