7026605112721 has 16 divisors (see below), whose sum is σ = 7580566970064. Its totient is φ = 6488277479424.

The previous prime is 7026605112713. The next prime is 7026605112731. The reversal of 7026605112721 is 1272115066207.

It can be written as a sum of positive squares in 8 ways, for example, as 794791863121 + 6231813249600 = 891511^2 + 2496360^2 .

It is a cyclic number.

It is not a de Polignac number, because 7026605112721 - 2³ = 7026605112713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7026605112731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30516601 + ... + 30745993.

It is an arithmetic number, because the mean of its divisors is an integer number (473785435629).

Almost surely, 2^{7026605112721} is an apocalyptic number.

It is an amenable number.

7026605112721 is a deficient number, since it is larger than the sum of its proper divisors (553961857343).

7026605112721 is a wasteful number, since it uses less digits than its factorization.

7026605112721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263460.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 7026605112721 in words is "seven trillion, twenty-six billion, six hundred five million, one hundred twelve thousand, seven hundred twenty-one".