7120715651 has 16 divisors (see below), whose sum is σ = 8437862400. Its totient is φ = 5879508768.

The previous prime is 7120715621. The next prime is 7120715653. The reversal of 7120715651 is 1565170217.

It is a de Polignac number, because none of the positive numbers 2^k-7120715651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120715653) 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 15 ways as a sum of consecutive naturals, for example, 49166 + ... + 129068.

It is an arithmetic number, because the mean of its divisors is an integer number (527366400).

Almost surely, 2^7120715651 is an apocalyptic number.

7120715651 is a deficient number, since it is larger than the sum of its proper divisors (1317146749).

7120715651 is a wasteful number, since it uses less digits than its factorization.

7120715651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80378.

The product of its (nonzero) digits is 14700, while the sum is 35.

The square root of 7120715651 is about 84384.3329712335. The cubic root of 7120715651 is about 1923.8647965635.

Adding to 7120715651 its reverse (1565170217), we get a palindrome (8685885868).

The spelling of 7120715651 in words is "seven billion, one hundred twenty million, seven hundred fifteen thousand, six hundred fifty-one".