7228515292065 has 32 divisors (see below), whose sum is σ = 12858075484800. Its totient is φ = 3852993666240.

The previous prime is 7228515291931. The next prime is 7228515292067. The reversal of 7228515292065 is 5602925158227.

7228515292065 is a `hidden beast` number, since 7 + 2 + 2 + 8 + 51 + 529 + 2 + 0 + 65 = 666.

7228515292065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7228515292065 - 2⁹ = 7228515291553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7228515292067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15142495 + ... + 15612564.

It is an arithmetic number, because the mean of its divisors is an integer number (401814858900).

Almost surely, 2^{7228515292065} is an apocalyptic number.

It is an amenable number.

7228515292065 is a deficient number, since it is larger than the sum of its proper divisors (5629560192735).

7228515292065 is a wasteful number, since it uses less digits than its factorization.

7228515292065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30756814 (or 30756808 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 7228515292065 in words is "seven trillion, two hundred twenty-eight billion, five hundred fifteen million, two hundred ninety-two thousand, sixty-five".