61261833860343 has 12 divisors (see below), whose sum is σ = 91540671285960. Its totient is φ = 39432904553616.

The previous prime is 61261833860329. The next prime is 61261833860389. The reversal of 61261833860343 is 34306833816216.

61261833860343 is a `hidden beast` number, since 6 + 1 + 26 + 1 + 8 + 3 + 3 + 8 + 603 + 4 + 3 = 666.

It is not a de Polignac number, because 61261833860343 - 2²¹ = 61261831763191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61261833860343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61261833860303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117359834721 + ... + 117359835242.

It is an arithmetic number, because the mean of its divisors is an integer number (7628389273830).

Almost surely, 2^{61261833860343} is an apocalyptic number.

61261833860343 is a deficient number, since it is larger than the sum of its proper divisors (30278837425617).

61261833860343 is a wasteful number, since it uses less digits than its factorization.

61261833860343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234719669998 (or 234719669995 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 61261833860343 in words is "sixty-one trillion, two hundred sixty-one billion, eight hundred thirty-three million, eight hundred sixty thousand, three hundred forty-three".