82733581741561 has 16 divisors (see below), whose sum is σ = 82871771716800. Its totient is φ = 82595541141568.

The previous prime is 82733581741543. The next prime is 82733581741571. The reversal of 82733581741561 is 16514718533728.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82733581741561 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 82733581741561.

It is not an unprimeable number, because it can be changed into a prime (82733581741501) 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, 11511556410 + ... + 11511563596.

It is an arithmetic number, because the mean of its divisors is an integer number (5179485732300).

Almost surely, 2^{82733581741561} is an apocalyptic number.

It is an amenable number.

82733581741561 is a deficient number, since it is larger than the sum of its proper divisors (138189975239).

82733581741561 is a wasteful number, since it uses less digits than its factorization.

82733581741561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128.

The product of its digits is 33868800, while the sum is 61.

The spelling of 82733581741561 in words is "eighty-two trillion, seven hundred thirty-three billion, five hundred eighty-one million, seven hundred forty-one thousand, five hundred sixty-one".