5020531420251 has 16 divisors (see below), whose sum is σ = 6861114592640. Its totient is φ = 3263743627200.

The previous prime is 5020531420117. The next prime is 5020531420253. The reversal of 5020531420251 is 1520241350205.

It is not a de Polignac number, because 5020531420251 - 2³¹ = 5018383936603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5020531420253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32300881 + ... + 32455938.

It is an arithmetic number, because the mean of its divisors is an integer number (428819662040).

Almost surely, 2^{5020531420251} is an apocalyptic number.

5020531420251 is a deficient number, since it is larger than the sum of its proper divisors (1840583172389).

5020531420251 is a wasteful number, since it uses less digits than its factorization.

5020531420251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64757466.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 5020531420251 its reverse (1520241350205), we get a palindrome (6540772770456).

The spelling of 5020531420251 in words is "five trillion, twenty billion, five hundred thirty-one million, four hundred twenty thousand, two hundred fifty-one".