7125820347064 has 16 divisors (see below), whose sum is σ = 13363529423400. Its totient is φ = 3562212500832.

The previous prime is 7125820347053. The next prime is 7125820347067. The reversal of 7125820347064 is 4607430285217.

It is a junction number, because it is equal to n+sod(n) for n = 7125820346999 and 7125820347017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125820347067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87165679 + ... + 87247390.

Almost surely, 2^{7125820347064} is an apocalyptic number.

It is an amenable number.

7125820347064 is a deficient number, since it is larger than the sum of its proper divisors (6237709076336).

7125820347064 is a wasteful number, since it uses less digits than its factorization.

7125820347064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174418182 (or 174418178 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 7125820347064 in words is "seven trillion, one hundred twenty-five billion, eight hundred twenty million, three hundred forty-seven thousand, sixty-four".