8214525665401 has 16 divisors (see below), whose sum is σ = 9203647166208. Its totient is φ = 7265801779200.

The previous prime is 8214525665383. The next prime is 8214525665441. The reversal of 8214525665401 is 1045665254128.

It is a cyclic number.

It is not a de Polignac number, because 8214525665401 - 2¹⁵ = 8214525632633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8214525665441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33480096 + ... + 33724558.

It is an arithmetic number, because the mean of its divisors is an integer number (575227947888).

Almost surely, 2^{8214525665401} is an apocalyptic number.

It is an amenable number.

8214525665401 is a deficient number, since it is larger than the sum of its proper divisors (989121500807).

8214525665401 is a wasteful number, since it uses less digits than its factorization.

8214525665401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327072.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 8214525665401 in words is "eight trillion, two hundred fourteen billion, five hundred twenty-five million, six hundred sixty-five thousand, four hundred one".