523042756280681 has 16 divisors (see below), whose sum is σ = 645056020334208. Its totient is φ = 412993183680000.

The previous prime is 523042756280647. The next prime is 523042756280701. The reversal of 523042756280681 is 186082657240325.

It is not a de Polignac number, because 523042756280681 - 2¹⁸ = 523042756018537 is a prime.

It is a super-2 number, since 2×523042756280681² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523042756280681.

It is not an unprimeable number, because it can be changed into a prime (523042756280981) 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, 5853033320 + ... + 5853122681.

It is an arithmetic number, because the mean of its divisors is an integer number (40316001270888).

Almost surely, 2^{523042756280681} is an apocalyptic number.

It is an amenable number.

523042756280681 is a deficient number, since it is larger than the sum of its proper divisors (122013264053527).

523042756280681 is a wasteful number, since it uses less digits than its factorization.

523042756280681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11706156512.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 523042756280681 in words is "five hundred twenty-three trillion, forty-two billion, seven hundred fifty-six million, two hundred eighty thousand, six hundred eighty-one".