61446786611 has 8 divisors (see below), whose sum is σ = 70228351584. Its totient is φ = 52666084800.

The previous prime is 61446786589. The next prime is 61446786659. The reversal of 61446786611 is 11668764416.

61446786611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61446786611 - 2⁶ = 61446786547 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 61446786611.

It is not an unprimeable number, because it can be changed into a prime (61446786691) 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, 55280 + ... + 354893.

It is an arithmetic number, because the mean of its divisors is an integer number (8778543948).

Almost surely, 2^61446786611 is an apocalyptic number.

61446786611 is a deficient number, since it is larger than the sum of its proper divisors (8781564973).

61446786611 is a wasteful number, since it uses less digits than its factorization.

61446786611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431581.

The product of its digits is 1161216, while the sum is 50.

The spelling of 61446786611 in words is "sixty-one billion, four hundred forty-six million, seven hundred eighty-six thousand, six hundred eleven".