7651216011 has 4 divisors (see below), whose sum is σ = 10201621352. Its totient is φ = 5100810672.

The previous prime is 7651216009. The next prime is 7651216063. The reversal of 7651216011 is 1106121567.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7651216011 - 2¹ = 7651216009 is a prime.

It is a super-2 number, since 2×7651216011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7651216011.

It is not an unprimeable number, because it can be changed into a prime (7651216411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275202666 + ... + 1275202671.

It is an arithmetic number, because the mean of its divisors is an integer number (2550405338).

Almost surely, 2^7651216011 is an apocalyptic number.

7651216011 is a deficient number, since it is larger than the sum of its proper divisors (2550405341).

7651216011 is a wasteful number, since it uses less digits than its factorization.

7651216011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550405340.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 7651216011 is about 87471.2296186580. The cubic root of 7651216011 is about 1970.5017326836.

Adding to 7651216011 its reverse (1106121567), we get a palindrome (8757337578).

The spelling of 7651216011 in words is "seven billion, six hundred fifty-one million, two hundred sixteen thousand, eleven".