7318481557532 has 12 divisors (see below), whose sum is σ = 13105187905656. Its totient is φ = 3574142155920.

The previous prime is 7318481557507. The next prime is 7318481557559. The reversal of 7318481557532 is 2357551848137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21274655519 + ... + 21274655862.

It is an arithmetic number, because the mean of its divisors is an integer number (1092098992138).

Almost surely, 2^{7318481557532} is an apocalyptic number.

It is an amenable number.

7318481557532 is a deficient number, since it is larger than the sum of its proper divisors (5786706348124).

7318481557532 is a wasteful number, since it uses less digits than its factorization.

7318481557532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42549311428 (or 42549311426 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 59.

The spelling of 7318481557532 in words is "seven trillion, three hundred eighteen billion, four hundred eighty-one million, five hundred fifty-seven thousand, five hundred thirty-two".