11014400661 has 32 divisors (see below), whose sum is σ = 16126110720. Its totient is φ = 6631699200.

The previous prime is 11014400633. The next prime is 11014400669. The reversal of 11014400661 is 16600441011.

It is not a de Polignac number, because 11014400661 - 2¹³ = 11014392469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11014400669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5172445 + ... + 5174573.

It is an arithmetic number, because the mean of its divisors is an integer number (503940960).

Almost surely, 2^11014400661 is an apocalyptic number.

11014400661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11014400661 is a deficient number, since it is larger than the sum of its proper divisors (5111710059).

11014400661 is a wasteful number, since it uses less digits than its factorization.

11014400661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11014400661 its reverse (16600441011), we get a palindrome (27614841672).

The spelling of 11014400661 in words is "eleven billion, fourteen million, four hundred thousand, six hundred sixty-one".