5121511452 has 18 divisors (see below), whose sum is σ = 12946042928. Its totient is φ = 1707170472.

The previous prime is 5121511429. The next prime is 5121511481. The reversal of 5121511452 is 2541151215.

It is a happy number.

5121511452 is a `hidden beast` number, since 512 + 1 + 5 + 1 + 145 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71132068 + ... + 71132139.

Almost surely, 2^5121511452 is an apocalyptic number.

It is an amenable number.

5121511452 is an abundant number, since it is smaller than the sum of its proper divisors (7824531476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121511452 is a wasteful number, since it uses less digits than its factorization.

5121511452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142264217 (or 142264212 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 5121511452 is about 71564.7360925757. The cubic root of 5121511452 is about 1723.7173355800.

Adding to 5121511452 its reverse (2541151215), we get a palindrome (7662662667).

The spelling of 5121511452 in words is "five billion, one hundred twenty-one million, five hundred eleven thousand, four hundred fifty-two".