1151205151 has 2 divisors, whose sum is σ = 1151205152. Its totient is φ = 1151205150.

The previous prime is 1151205149. The next prime is 1151205163. The reversal of 1151205151 is 1515021511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151205151 - 2¹ = 1151205149 is a prime.

Together with 1151205149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151205191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575602575 + 575602576.

It is an arithmetic number, because the mean of its divisors is an integer number (575602576).

Almost surely, 2^1151205151 is an apocalyptic number.

1151205151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151205151 is an equidigital number, since it uses as much as digits as its factorization.

1151205151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 22.

The square root of 1151205151 is about 33929.4142448702. The cubic root of 1151205151 is about 1048.0554034066.

Adding to 1151205151 its reverse (1515021511), we get a palindrome (2666226662).

The spelling of 1151205151 in words is "one billion, one hundred fifty-one million, two hundred five thousand, one hundred fifty-one".