61747206411 has 48 divisors (see below), whose sum is σ = 95356190720. Its totient is φ = 35416180800.

The previous prime is 61747206407. The next prime is 61747206413. The reversal of 61747206411 is 11460274716.

It is not a de Polignac number, because 61747206411 - 2² = 61747206407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61747206411.

It is not an unprimeable number, because it can be changed into a prime (61747206413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7534326 + ... + 7542516.

Almost surely, 2^61747206411 is an apocalyptic number.

61747206411 is a deficient number, since it is larger than the sum of its proper divisors (33608984309).

61747206411 is a wasteful number, since it uses less digits than its factorization.

61747206411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328 (or 9317 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 61747206411 in words is "sixty-one billion, seven hundred forty-seven million, two hundred six thousand, four hundred eleven".