7316821887125 has 16 divisors (see below), whose sum is σ = 9131494896576. Its totient is φ = 5853392650000.

The previous prime is 7316821887121. The next prime is 7316821887157. The reversal of 7316821887125 is 5217881286137.

It is not a de Polignac number, because 7316821887125 - 2² = 7316821887121 is a prime.

It is a super-2 number, since 2×7316821887125² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7316821887121) 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, 13273250 + ... + 13813500.

It is an arithmetic number, because the mean of its divisors is an integer number (570718431036).

Almost surely, 2^{7316821887125} is an apocalyptic number.

It is an amenable number.

7316821887125 is a deficient number, since it is larger than the sum of its proper divisors (1814673009451).

7316821887125 is a wasteful number, since it uses less digits than its factorization.

7316821887125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648613 (or 648603 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 59.

The spelling of 7316821887125 in words is "seven trillion, three hundred sixteen billion, eight hundred twenty-one million, eight hundred eighty-seven thousand, one hundred twenty-five".