21360464007111 has 12 divisors (see below), whose sum is σ = 30854048443920. Its totient is φ = 14240288625120.

The previous prime is 21360464007109. The next prime is 21360464007149. The reversal of 21360464007111 is 11170046406312.

21360464007111 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 0 + 4 + 640 + 0 + 7 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 21360464007111 - 2¹ = 21360464007109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21360464007511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7276510 + ... + 9781028.

It is an arithmetic number, because the mean of its divisors is an integer number (2571170703660).

Almost surely, 2^{21360464007111} is an apocalyptic number.

21360464007111 is a deficient number, since it is larger than the sum of its proper divisors (9493584436809).

21360464007111 is a wasteful number, since it uses less digits than its factorization.

21360464007111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452166 (or 3452163 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 21360464007111 in words is "twenty-one trillion, three hundred sixty billion, four hundred sixty-four million, seven thousand, one hundred eleven".