5421115151 has 2 divisors, whose sum is σ = 5421115152. Its totient is φ = 5421115150.

The previous prime is 5421115129. The next prime is 5421115171. The reversal of 5421115151 is 1515111245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5421115151 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5421115151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421115121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710557575 + 2710557576.

It is an arithmetic number, because the mean of its divisors is an integer number (2710557576).

Almost surely, 2^5421115151 is an apocalyptic number.

5421115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421115151 is an equidigital number, since it uses as much as digits as its factorization.

5421115151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000, while the sum is 26.

The square root of 5421115151 is about 73628.2225169126. Note that the first 3 decimals coincide. The cubic root of 5421115151 is about 1756.6943754033.

Adding to 5421115151 its reverse (1515111245), we get a palindrome (6936226396).

The spelling of 5421115151 in words is "five billion, four hundred twenty-one million, one hundred fifteen thousand, one hundred fifty-one".