7115397631 has 8 divisors (see below), whose sum is σ = 7418718720. Its totient is φ = 6815940768.

The previous prime is 7115397623. The next prime is 7115397659. The reversal of 7115397631 is 1367935117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7115397631 - 2³ = 7115397623 is a prime.

It is a super-2 number, since 2×7115397631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115397661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962296 + ... + 969661.

It is an arithmetic number, because the mean of its divisors is an integer number (927339840).

Almost surely, 2^7115397631 is an apocalyptic number.

7115397631 is a deficient number, since it is larger than the sum of its proper divisors (303321089).

7115397631 is a wasteful number, since it uses less digits than its factorization.

7115397631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932113.

The product of its digits is 119070, while the sum is 43.

The square root of 7115397631 is about 84352.8163785893. The cubic root of 7115397631 is about 1923.3857389318.

The spelling of 7115397631 in words is "seven billion, one hundred fifteen million, three hundred ninety-seven thousand, six hundred thirty-one".