6205234635581 has 16 divisors (see below), whose sum is σ = 6577769721600. Its totient is φ = 5833537521408.

The previous prime is 6205234635577. The next prime is 6205234635583. The reversal of 6205234635581 is 1855364325026.

It is a cyclic number.

It is not a de Polignac number, because 6205234635581 - 2² = 6205234635577 is a prime.

It is a super-2 number, since 2×6205234635581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6205234635583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95906600 + ... + 95971278.

It is an arithmetic number, because the mean of its divisors is an integer number (411110607600).

Almost surely, 2^{6205234635581} is an apocalyptic number.

It is an amenable number.

6205234635581 is a deficient number, since it is larger than the sum of its proper divisors (372535086019).

6205234635581 is a wasteful number, since it uses less digits than its factorization.

6205234635581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71068.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 6205234635581 in words is "six trillion, two hundred five billion, two hundred thirty-four million, six hundred thirty-five thousand, five hundred eighty-one".