7521313133132 has 24 divisors (see below), whose sum is σ = 13734681408000. Its totient is φ = 3597121054736.

The previous prime is 7521313133123. The next prime is 7521313133171. The reversal of 7521313133132 is 2313313131257.

It is a super-2 number, since 2×7521313133132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7521313133092 and 7521313133101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15324719 + ... + 15807897.

It is an arithmetic number, because the mean of its divisors is an integer number (572278392000).

Almost surely, 2^{7521313133132} is an apocalyptic number.

It is an amenable number.

7521313133132 is a deficient number, since it is larger than the sum of its proper divisors (6213368274868).

7521313133132 is a wasteful number, since it uses less digits than its factorization.

7521313133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652405 (or 652403 counting only the distinct ones).

The product of its digits is 34020, while the sum is 35.

Adding to 7521313133132 its reverse (2313313131257), we get a palindrome (9834626264389).

The spelling of 7521313133132 in words is "seven trillion, five hundred twenty-one billion, three hundred thirteen million, one hundred thirty-three thousand, one hundred thirty-two".