5126662521 has 12 divisors (see below), whose sum is σ = 7413319680. Its totient is φ = 3414017880.

The previous prime is 5126662481. The next prime is 5126662531. The reversal of 5126662521 is 1252666215.

5126662521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5126662521 - 2⁷ = 5126662393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5126662531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304441 + ... + 320838.

It is an arithmetic number, because the mean of its divisors is an integer number (617776640).

Almost surely, 2^5126662521 is an apocalyptic number.

It is an amenable number.

5126662521 is a deficient number, since it is larger than the sum of its proper divisors (2286657159).

5126662521 is a wasteful number, since it uses less digits than its factorization.

5126662521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626196 (or 626193 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5126662521 is about 71600.7159251917. The cubic root of 5126662521 is about 1724.2950303962.

The spelling of 5126662521 in words is "five billion, one hundred twenty-six million, six hundred sixty-two thousand, five hundred twenty-one".