2568126545 has 16 divisors (see below), whose sum is σ = 3245754240. Its totient is φ = 1945286784.

The previous prime is 2568126503. The next prime is 2568126551. The reversal of 2568126545 is 5456218652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2568126545 - 2⁶ = 2568126481 is a prime.

It is a super-2 number, since 2×2568126545² = 13190547902267274050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2568126496 and 2568126505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191789 + ... + 204741.

It is an arithmetic number, because the mean of its divisors is an integer number (202859640).

Almost surely, 2^2568126545 is an apocalyptic number.

It is an amenable number.

2568126545 is a deficient number, since it is larger than the sum of its proper divisors (677627695).

2568126545 is a wasteful number, since it uses less digits than its factorization.

2568126545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064.

The product of its digits is 576000, while the sum is 44.

The square root of 2568126545 is about 50676.6864050916. The cubic root of 2568126545 is about 1369.4267488186.

The spelling of 2568126545 in words is "two billion, five hundred sixty-eight million, one hundred twenty-six thousand, five hundred forty-five".