5121211328 has 28 divisors (see below), whose sum is σ = 10334655480. Its totient is φ = 2517203712.

The previous prime is 5121211283. The next prime is 5121211331. The reversal of 5121211328 is 8231121215.

It is a junction number, because it is equal to n+sod(n) for n = 5121211297 and 5121211306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674351 + ... + 681902.

Almost surely, 2^5121211328 is an apocalyptic number.

It is an amenable number.

5121211328 is an abundant number, since it is smaller than the sum of its proper divisors (5213444152).

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

5121211328 is a wasteful number, since it uses less digits than its factorization.

5121211328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356324 (or 1356314 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 5121211328 is about 71562.6391911310. The cubic root of 5121211328 is about 1723.6836645923.

The spelling of 5121211328 in words is "five billion, one hundred twenty-one million, two hundred eleven thousand, three hundred twenty-eight".