7155413312 has 28 divisors (see below), whose sum is σ = 14204388660. Its totient is φ = 3576354816.

The previous prime is 7155413311. The next prime is 7155413329. The reversal of 7155413312 is 2133145517.

It can be written as a sum of positive squares in 2 ways, for example, as 1688881216 + 5466532096 = 41096^2 + 73936^2 .

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 (7155413311) 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 3 ways as a sum of consecutive naturals, for example, 161864 + ... + 201272.

It is an arithmetic number, because the mean of its divisors is an integer number (507299595).

Almost surely, 2^7155413312 is an apocalyptic number.

It is an amenable number.

7155413312 is a deficient number, since it is larger than the sum of its proper divisors (7048975348).

7155413312 is a wasteful number, since it uses less digits than its factorization.

7155413312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42258 (or 42248 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 7155413312 is about 84589.6761549540. The cubic root of 7155413312 is about 1926.9845895356.

Adding to 7155413312 its reverse (2133145517), we get a palindrome (9288558829).

The spelling of 7155413312 in words is "seven billion, one hundred fifty-five million, four hundred thirteen thousand, three hundred twelve".