61000205343 has 32 divisors (see below), whose sum is σ = 105811771392. Its totient is φ = 30310658400.

The previous prime is 61000205327. The next prime is 61000205393. The reversal of 61000205343 is 34350200016.

It is a happy number.

It is not a de Polignac number, because 61000205343 - 2⁴ = 61000205327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000205393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5735343 + ... + 5745968.

It is an arithmetic number, because the mean of its divisors is an integer number (3306617856).

Almost surely, 2^61000205343 is an apocalyptic number.

61000205343 is a deficient number, since it is larger than the sum of its proper divisors (44811566049).

61000205343 is a wasteful number, since it uses less digits than its factorization.

61000205343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481355.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 61000205343 its reverse (34350200016), we get a palindrome (95350405359).

The spelling of 61000205343 in words is "sixty-one billion, two hundred five thousand, three hundred forty-three".