5162121011 has 2 divisors, whose sum is σ = 5162121012. Its totient is φ = 5162121010.

The previous prime is 5162120993. The next prime is 5162121037. The reversal of 5162121011 is 1101212615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5162121011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5162121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581060505 + 2581060506.

It is an arithmetic number, because the mean of its divisors is an integer number (2581060506).

Almost surely, 2^5162121011 is an apocalyptic number.

5162121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

5162121011 is an equidigital number, since it uses as much as digits as its factorization.

5162121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 5162121011 is about 71847.9019248301. The cubic root of 5162121011 is about 1728.2612544870.

Adding to 5162121011 its reverse (1101212615), we get a palindrome (6263333626).

The spelling of 5162121011 in words is "five billion, one hundred sixty-two million, one hundred twenty-one thousand, eleven".