2563742571061 has 16 divisors (see below), whose sum is σ = 3237228474624. Its totient is φ = 1978306285824.

The previous prime is 2563742571037. The next prime is 2563742571119. The reversal of 2563742571061 is 1601752473652.

It is a cyclic number.

It is not a de Polignac number, because 2563742571061 - 2²¹ = 2563740473909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2563742570996 and 2563742571014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563742571001) 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 15 ways as a sum of consecutive naturals, for example, 468346290 + ... + 468351763.

It is an arithmetic number, because the mean of its divisors is an integer number (202326779664).

Almost surely, 2^{2563742571061} is an apocalyptic number.

It is an amenable number.

2563742571061 is a deficient number, since it is larger than the sum of its proper divisors (673485903563).

2563742571061 is a wasteful number, since it uses less digits than its factorization.

2563742571061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936698100.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 2563742571061 in words is "two trillion, five hundred sixty-three billion, seven hundred forty-two million, five hundred seventy-one thousand, sixty-one".