5111526121 has 8 divisors (see below), whose sum is σ = 5505289160. Its totient is φ = 4717844352.

The previous prime is 5111526113. The next prime is 5111526131. The reversal of 5111526121 is 1216251115.

5111526121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 988473600 + 4123052521 = 31440^2 + 64211^2 .

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

It is not a de Polignac number, because 5111526121 - 2³ = 5111526113 is a prime.

It is a super-2 number, since 2×5111526121² = 52255398571330613282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111526131) 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, 194515 + ... + 219223.

It is an arithmetic number, because the mean of its divisors is an integer number (688161145).

Almost surely, 2^5111526121 is an apocalyptic number.

It is an amenable number.

5111526121 is a deficient number, since it is larger than the sum of its proper divisors (393763039).

5111526121 is a wasteful number, since it uses less digits than its factorization.

5111526121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40635.

The product of its digits is 600, while the sum is 25.

The square root of 5111526121 is about 71494.9377298841. The cubic root of 5111526121 is about 1722.5963718205.

Adding to 5111526121 its reverse (1216251115), we get a palindrome (6327777236).

The spelling of 5111526121 in words is "five billion, one hundred eleven million, five hundred twenty-six thousand, one hundred twenty-one".