7726151121 has 8 divisors (see below), whose sum is σ = 11093960640. Its totient is φ = 4754554512.

The previous prime is 7726151113. The next prime is 7726151129. The reversal of 7726151121 is 1211516277.

It is an interprime number because it is at equal distance from previous prime (7726151113) and next prime (7726151129).

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

It is not a de Polignac number, because 7726151121 - 2³ = 7726151113 is a prime.

It is a super-2 number, since 2×7726151121² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7726151129) 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 7 ways as a sum of consecutive naturals, for example, 99053181 + ... + 99053258.

It is an arithmetic number, because the mean of its divisors is an integer number (1386745080).

Almost surely, 2^7726151121 is an apocalyptic number.

It is an amenable number.

7726151121 is a deficient number, since it is larger than the sum of its proper divisors (3367809519).

7726151121 is a wasteful number, since it uses less digits than its factorization.

7726151121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198106455.

The product of its digits is 5880, while the sum is 33.

The square root of 7726151121 is about 87898.5274108730. The cubic root of 7726151121 is about 1976.9137991070.

Adding to 7726151121 its reverse (1211516277), we get a palindrome (8937667398).

The spelling of 7726151121 in words is "seven billion, seven hundred twenty-six million, one hundred fifty-one thousand, one hundred twenty-one".