151968911 has 2 divisors, whose sum is σ = 151968912. Its totient is φ = 151968910.

The previous prime is 151968881. The next prime is 151968917. The reversal of 151968911 is 119869151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151968911 - 2¹⁴ = 151952527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151968917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75984455 + 75984456.

It is an arithmetic number, because the mean of its divisors is an integer number (75984456).

Almost surely, 2^151968911 is an apocalyptic number.

151968911 is a deficient number, since it is larger than the sum of its proper divisors (1).

151968911 is an equidigital number, since it uses as much as digits as its factorization.

151968911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 41.

The square root of 151968911 is about 12327.5671160209. The cubic root of 151968911 is about 533.6439422026.

The spelling of 151968911 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, nine hundred eleven".