61686834832411 has 8 divisors (see below), whose sum is σ = 65346383463984. Its totient is φ = 58030720788480.

The previous prime is 61686834832387. The next prime is 61686834832457. The reversal of 61686834832411 is 11423843868616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61686834832411 - 2⁷ = 61686834832283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61686834832411.

It is not an unprimeable number, because it can be changed into a prime (61686834832111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858609925 + ... + 858681766.

It is an arithmetic number, because the mean of its divisors is an integer number (8168297932998).

Almost surely, 2^{61686834832411} is an apocalyptic number.

61686834832411 is a deficient number, since it is larger than the sum of its proper divisors (3659548631573).

61686834832411 is a wasteful number, since it uses less digits than its factorization.

61686834832411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717293821.

The product of its digits is 31850496, while the sum is 61.

The spelling of 61686834832411 in words is "sixty-one trillion, six hundred eighty-six billion, eight hundred thirty-four million, eight hundred thirty-two thousand, four hundred eleven".