5881149081 has 12 divisors (see below), whose sum is σ = 8655276708. Its totient is φ = 3846789024.

The previous prime is 5881149049. The next prime is 5881149083. The reversal of 5881149081 is 1809411885.

5881149081 is a `hidden beast` number, since 5 + 8 + 81 + 1 + 490 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4507779600 + 1373369481 = 67140^2 + 37059^2 .

It is not a de Polignac number, because 5881149081 - 2⁵ = 5881149049 is a prime.

It is a super-2 number, since 2×5881149081² = 69175829025894289122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5881149083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6164250 + ... + 6165203.

It is an arithmetic number, because the mean of its divisors is an integer number (721273059).

Almost surely, 2^5881149081 is an apocalyptic number.

It is an amenable number.

5881149081 is a deficient number, since it is larger than the sum of its proper divisors (2774127627).

5881149081 is a wasteful number, since it uses less digits than its factorization.

5881149081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329512 (or 12329509 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The square root of 5881149081 is about 76688.6502749918. The cubic root of 5881149081 is about 1805.0423514540.

The spelling of 5881149081 in words is "five billion, eight hundred eighty-one million, one hundred forty-nine thousand, eighty-one".