7531116512 has 48 divisors (see below), whose sum is σ = 14923893600. Its totient is φ = 3741007872.

The previous prime is 7531116511. The next prime is 7531116521. The reversal of 7531116512 is 2156111357.

It is a super-2 number, since 2×7531116512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7531116511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777788 + ... + 3779780.

It is an arithmetic number, because the mean of its divisors is an integer number (310914450).

Almost surely, 2^7531116512 is an apocalyptic number.

It is an amenable number.

7531116512 is a deficient number, since it is larger than the sum of its proper divisors (7392777088).

7531116512 is a wasteful number, since it uses less digits than its factorization.

7531116512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2707 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 7531116512 is about 86782.0056924245. The cubic root of 7531116512 is about 1960.1371304860.

Adding to 7531116512 its reverse (2156111357), we get a palindrome (9687227869).

The spelling of 7531116512 in words is "seven billion, five hundred thirty-one million, one hundred sixteen thousand, five hundred twelve".