2563165011 has 16 divisors (see below), whose sum is σ = 3890338560. Its totient is φ = 1485892320.

The previous prime is 2563165009. The next prime is 2563165019. The reversal of 2563165011 is 1105613652.

2563165011 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2563165011 - 2¹ = 2563165009 is a prime.

It is a super-2 number, since 2×2563165011² = 13139629747229260242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2563165011.

It is not an unprimeable number, because it can be changed into a prime (2563165019) 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, 1687756 + ... + 1689273.

It is an arithmetic number, because the mean of its divisors is an integer number (243146160).

Almost surely, 2^2563165011 is an apocalyptic number.

2563165011 is a deficient number, since it is larger than the sum of its proper divisors (1327173549).

2563165011 is a wasteful number, since it uses less digits than its factorization.

2563165011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377066.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2563165011 is about 50627.7099126555. The cubic root of 2563165011 is about 1368.5442848236.

Adding to 2563165011 its reverse (1105613652), we get a palindrome (3668778663).

The spelling of 2563165011 in words is "two billion, five hundred sixty-three million, one hundred sixty-five thousand, eleven".