20241457256761 has 32 divisors (see below), whose sum is σ = 23039442518400. Its totient is φ = 17628804956160.

The previous prime is 20241457256749. The next prime is 20241457256803. The reversal of 20241457256761 is 16765275414202.

It is a cyclic number.

It is not a de Polignac number, because 20241457256761 - 2⁹ = 20241457256249 is a prime.

It is a super-2 number, since 2×20241457256761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20241457256699 and 20241457256708.

It is not an unprimeable number, because it can be changed into a prime (20241457256711) 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 31 ways as a sum of consecutive naturals, for example, 369483870 + ... + 369538648.

It is an arithmetic number, because the mean of its divisors is an integer number (719982578700).

Almost surely, 2^{20241457256761} is an apocalyptic number.

It is an amenable number.

20241457256761 is a deficient number, since it is larger than the sum of its proper divisors (2797985261639).

20241457256761 is a wasteful number, since it uses less digits than its factorization.

20241457256761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60889.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 20241457256761 in words is "twenty trillion, two hundred forty-one billion, four hundred fifty-seven million, two hundred fifty-six thousand, seven hundred sixty-one".