2563511268 has 48 divisors (see below), whose sum is σ = 6070680000. Its totient is φ = 841857408.

The previous prime is 2563511267. The next prime is 2563511273. The reversal of 2563511268 is 8621153652.

It is not an unprimeable number, because it can be changed into a prime (2563511267) 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, 228658 + ... + 239606.

It is an arithmetic number, because the mean of its divisors is an integer number (126472500).

Almost surely, 2^2563511268 is an apocalyptic number.

It is an amenable number.

2563511268 is an abundant number, since it is smaller than the sum of its proper divisors (3507168732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563511268 is a wasteful number, since it uses less digits than its factorization.

2563511268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244 (or 11242 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 2563511268 is about 50631.1294363458. The cubic root of 2563511268 is about 1368.6059074269.

The spelling of 2563511268 in words is "two billion, five hundred sixty-three million, five hundred eleven thousand, two hundred sixty-eight".