5211021051 has 6 divisors (see below), whose sum is σ = 7527030420. Its totient is φ = 3474014028.

The previous prime is 5211021041. The next prime is 5211021071. The reversal of 5211021051 is 1501201125.

It is not a de Polignac number, because 5211021051 - 2⁶ = 5211020987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5211021041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289501161 + ... + 289501178.

It is an arithmetic number, because the mean of its divisors is an integer number (1254505070).

Almost surely, 2^5211021051 is an apocalyptic number.

5211021051 is a deficient number, since it is larger than the sum of its proper divisors (2316009369).

5211021051 is a wasteful number, since it uses less digits than its factorization.

5211021051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579002345 (or 579002342 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 5211021051 is about 72187.4023012326. The cubic root of 5211021051 is about 1733.7013040974.

Adding to 5211021051 its reverse (1501201125), we get a palindrome (6712222176).

The spelling of 5211021051 in words is "five billion, two hundred eleven million, twenty-one thousand, fifty-one".