61241265561071 has 16 divisors (see below), whose sum is σ = 62109852997248. Its totient is φ = 60377943300000.

The previous prime is 61241265561053. The next prime is 61241265561083. The reversal of 61241265561071 is 17016556214216.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61241265561071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61241265551071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99754376 + ... + 100366418.

It is an arithmetic number, because the mean of its divisors is an integer number (3881865812328).

Almost surely, 2^{61241265561071} is an apocalyptic number.

61241265561071 is a deficient number, since it is larger than the sum of its proper divisors (868587436177).

61241265561071 is a wasteful number, since it uses less digits than its factorization.

61241265561071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616342.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 61241265561071 in words is "sixty-one trillion, two hundred forty-one billion, two hundred sixty-five million, five hundred sixty-one thousand, seventy-one".