5061515121 has 40 divisors (see below), whose sum is σ = 8155451304. Its totient is φ = 3109881600.

The previous prime is 5061515113. The next prime is 5061515161. The reversal of 5061515121 is 1215151605.

5061515121 is a `hidden beast` number, since 506 + 1 + 5 + 151 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12702096 + 5048813025 = 3564^2 + 71055^2 .

It is not a de Polignac number, because 5061515121 - 2³ = 5061515113 is a prime.

It is a super-2 number, since 2×5061515121² = 51237870640223289282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5061515161) 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 39 ways as a sum of consecutive naturals, for example, 734725 + ... + 741581.

Almost surely, 2^5061515121 is an apocalyptic number.

It is an amenable number.

5061515121 is a deficient number, since it is larger than the sum of its proper divisors (3093936183).

5061515121 is a wasteful number, since it uses less digits than its factorization.

5061515121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 5061515121 is about 71144.3259930123. The cubic root of 5061515121 is about 1716.9600079647.

Adding to 5061515121 its reverse (1215151605), we get a palindrome (6276666726).

The spelling of 5061515121 in words is "five billion, sixty-one million, five hundred fifteen thousand, one hundred twenty-one".