7133028125621 has 8 divisors (see below), whose sum is σ = 7136620954200. Its totient is φ = 7129435925248.

The previous prime is 7133028125611. The next prime is 7133028125623. The reversal of 7133028125621 is 1265218203317.

It can be written as a sum of positive squares in 4 ways, for example, as 32242152721 + 7100785972900 = 179561^2 + 2664730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7133028125621 - 2³⁴ = 7115848256437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7133028125623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23444945 + ... + 23747241.

It is an arithmetic number, because the mean of its divisors is an integer number (892077619275).

Almost surely, 2^{7133028125621} is an apocalyptic number.

It is an amenable number.

7133028125621 is a deficient number, since it is larger than the sum of its proper divisors (3592828579).

7133028125621 is a wasteful number, since it uses less digits than its factorization.

7133028125621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314103.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 7133028125621 in words is "seven trillion, one hundred thirty-three billion, twenty-eight million, one hundred twenty-five thousand, six hundred twenty-one".