7126313180521 has 16 divisors (see below), whose sum is σ = 7392474460800. Its totient is φ = 6864068953728.

The previous prime is 7126313180491. The next prime is 7126313180537. The reversal of 7126313180521 is 1250813136217.

It is a cyclic number.

It is not a de Polignac number, because 7126313180521 - 2⁵ = 7126313180489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7126313180561) 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, 10999950 + ... + 11629768.

It is an arithmetic number, because the mean of its divisors is an integer number (462029653800).

Almost surely, 2^{7126313180521} is an apocalyptic number.

It is an amenable number.

7126313180521 is a deficient number, since it is larger than the sum of its proper divisors (266161280279).

7126313180521 is a wasteful number, since it uses less digits than its factorization.

7126313180521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632928.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 7126313180521 in words is "seven trillion, one hundred twenty-six billion, three hundred thirteen million, one hundred eighty thousand, five hundred twenty-one".