7131097560 has 128 divisors (see below), whose sum is σ = 22798817280. Its totient is φ = 1780213248.

The previous prime is 7131097507. The next prime is 7131097591. The reversal of 7131097560 is 657901317.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 102234 + ... + 157206.

It is an arithmetic number, because the mean of its divisors is an integer number (178115760).

Almost surely, 2^7131097560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7131097560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11399408640).

7131097560 is an abundant number, since it is smaller than the sum of its proper divisors (15667719720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7131097560 is a wasteful number, since it uses less digits than its factorization.

7131097560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55057 (or 55053 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 7131097560 is about 84445.8261846019. The cubic root of 7131097560 is about 1924.7993323180.

Adding to 7131097560 its reverse (657901317), we get a palindrome (7788998877).

The spelling of 7131097560 in words is "seven billion, one hundred thirty-one million, ninety-seven thousand, five hundred sixty".