7983125845513 has 8 divisors (see below), whose sum is σ = 9825385656128. Its totient is φ = 6316319350224.

The previous prime is 7983125845511. The next prime is 7983125845543. The reversal of 7983125845513 is 3155485213897.

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

It is not a de Polignac number, because 7983125845513 - 2¹ = 7983125845511 is a prime.

It is a super-2 number, since 2×7983125845513² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7983125845511) 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, 43863328731 + ... + 43863328912.

It is an arithmetic number, because the mean of its divisors is an integer number (1228173207016).

Almost surely, 2^{7983125845513} is an apocalyptic number.

It is an amenable number.

7983125845513 is a deficient number, since it is larger than the sum of its proper divisors (1842259810615).

7983125845513 is a wasteful number, since it uses less digits than its factorization.

7983125845513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87726657663.

The product of its digits is 36288000, while the sum is 61.

The spelling of 7983125845513 in words is "seven trillion, nine hundred eighty-three billion, one hundred twenty-five million, eight hundred forty-five thousand, five hundred thirteen".