2556064011 has 8 divisors (see below), whose sum is σ = 3412949904. Its totient is φ = 1701610400.

The previous prime is 2556064001. The next prime is 2556064051. The reversal of 2556064011 is 1104606552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556064011 - 2²¹ = 2553966859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2556064011.

It is not an unprimeable number, because it can be changed into a prime (2556064001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605616 + ... + 609821.

It is an arithmetic number, because the mean of its divisors is an integer number (426618738).

Almost surely, 2^2556064011 is an apocalyptic number.

2556064011 is a deficient number, since it is larger than the sum of its proper divisors (856885893).

2556064011 is a wasteful number, since it uses less digits than its factorization.

2556064011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216141.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2556064011 is about 50557.5316941007. The cubic root of 2556064011 is about 1367.2793095487.

The spelling of 2556064011 in words is "two billion, five hundred fifty-six million, sixty-four thousand, eleven".