6105550581 has 32 divisors (see below), whose sum is σ = 9746795520. Its totient is φ = 3755045952.

The previous prime is 6105550571. The next prime is 6105550589. The reversal of 6105550581 is 1850555016.

It is not a de Polignac number, because 6105550581 - 2¹⁸ = 6105288437 is a prime.

It is a super-2 number, since 2×6105550581² = 74555495794298875122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6105550589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748135 + ... + 756251.

It is an arithmetic number, because the mean of its divisors is an integer number (304587360).

Almost surely, 2^6105550581 is an apocalyptic number.

It is an amenable number.

6105550581 is a deficient number, since it is larger than the sum of its proper divisors (3641244939).

6105550581 is a wasteful number, since it uses less digits than its factorization.

6105550581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282 (or 10276 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The square root of 6105550581 is about 78138.0226330306. The cubic root of 6105550581 is about 1827.7141655947.

The spelling of 6105550581 in words is "six billion, one hundred five million, five hundred fifty thousand, five hundred eighty-one".