7983125845511 has 2 divisors, whose sum is σ = 7983125845512. Its totient is φ = 7983125845510.

The previous prime is 7983125845489. The next prime is 7983125845543. The reversal of 7983125845511 is 1155485213897.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7983125845511 is a prime.

It is a super-2 number, since 2×7983125845511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7983125845811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991562922755 + 3991562922756.

It is an arithmetic number, because the mean of its divisors is an integer number (3991562922756).

Almost surely, 2^{7983125845511} is an apocalyptic number.

7983125845511 is a deficient number, since it is larger than the sum of its proper divisors (1).

7983125845511 is an equidigital number, since it uses as much as digits as its factorization.

7983125845511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 59.

The spelling of 7983125845511 in words is "seven trillion, nine hundred eighty-three billion, one hundred twenty-five million, eight hundred forty-five thousand, five hundred eleven".