151268891 has 2 divisors, whose sum is σ = 151268892. Its totient is φ = 151268890.

The previous prime is 151268879. The next prime is 151268903. The reversal of 151268891 is 198862151.

It is a balanced prime because it is at equal distance from previous prime (151268879) and next prime (151268903).

It is a cyclic number.

It is not a de Polignac number, because 151268891 - 2⁶ = 151268827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151268801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75634445 + 75634446.

It is an arithmetic number, because the mean of its divisors is an integer number (75634446).

Almost surely, 2^151268891 is an apocalyptic number.

151268891 is a deficient number, since it is larger than the sum of its proper divisors (1).

151268891 is an equidigital number, since it uses as much as digits as its factorization.

151268891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 41.

The square root of 151268891 is about 12299.1418806354. The cubic root of 151268891 is about 532.8232995996.

The spelling of 151268891 in words is "one hundred fifty-one million, two hundred sixty-eight thousand, eight hundred ninety-one".