11014563021 has 64 divisors (see below), whose sum is σ = 18666633216. Its totient is φ = 5611161600.

The previous prime is 11014563013. The next prime is 11014563023. The reversal of 11014563021 is 12036541011.

It is a happy number.

It is not a de Polignac number, because 11014563021 - 2³ = 11014563013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11014562982 and 11014563000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11014563023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3728481 + ... + 3731433.

It is an arithmetic number, because the mean of its divisors is an integer number (291666144).

Almost surely, 2^11014563021 is an apocalyptic number.

11014563021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11014563021 is a deficient number, since it is larger than the sum of its proper divisors (7652070195).

11014563021 is a wasteful number, since it uses less digits than its factorization.

11014563021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 720, while the sum is 24.

It can be divided in two parts, 110145 and 63021, that added together give a triangular number (173166 = T₅₈₈).

The spelling of 11014563021 in words is "eleven billion, fourteen million, five hundred sixty-three thousand, twenty-one".