7521313332011 has 16 divisors (see below), whose sum is σ = 7800197717088. Its totient is φ = 7246745280000.

The previous prime is 7521313331981. The next prime is 7521313332077. The reversal of 7521313332011 is 1102333131257.

It is a cyclic number.

It is not a de Polignac number, because 7521313332011 - 2⁴² = 3123266820907 is a prime.

It is a super-2 number, since 2×7521313332011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7521313337011) 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, 734030 + ... + 3947331.

It is an arithmetic number, because the mean of its divisors is an integer number (487512357318).

Almost surely, 2^{7521313332011} is an apocalyptic number.

7521313332011 is a deficient number, since it is larger than the sum of its proper divisors (278884385077).

7521313332011 is a wasteful number, since it uses less digits than its factorization.

7521313332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681822.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 7521313332011 its reverse (1102333131257), we get a palindrome (8623646463268).

The spelling of 7521313332011 in words is "seven trillion, five hundred twenty-one billion, three hundred thirteen million, three hundred thirty-two thousand, eleven".