61510006605611 has 12 divisors (see below), whose sum is σ = 65341424890920. Its totient is φ = 57891465070080.

The previous prime is 61510006605599. The next prime is 61510006605757. The reversal of 61510006605611 is 11650660001516.

61510006605611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61510006605611 - 2³⁰ = 61508932863787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61510006605011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69172820 + ... + 70056398.

It is an arithmetic number, because the mean of its divisors is an integer number (5445118740910).

Almost surely, 2^{61510006605611} is an apocalyptic number.

61510006605611 is a deficient number, since it is larger than the sum of its proper divisors (3831418285309).

61510006605611 is a wasteful number, since it uses less digits than its factorization.

61510006605611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124494 (or 1124477 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 61510006605611 in words is "sixty-one trillion, five hundred ten billion, six million, six hundred five thousand, six hundred eleven".