151211189 has 2 divisors, whose sum is σ = 151211190. Its totient is φ = 151211188.

The previous prime is 151211117. The next prime is 151211257. The reversal of 151211189 is 981112151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147428164 + 3783025 = 12142^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 151211189 - 2⁸ = 151210933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151211789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75605594 + 75605595.

It is an arithmetic number, because the mean of its divisors is an integer number (75605595).

Almost surely, 2^151211189 is an apocalyptic number.

It is an amenable number.

151211189 is a deficient number, since it is larger than the sum of its proper divisors (1).

151211189 is an equidigital number, since it uses as much as digits as its factorization.

151211189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 29.

The square root of 151211189 is about 12296.7958834812. The cubic root of 151211189 is about 532.7555419355.

The spelling of 151211189 in words is "one hundred fifty-one million, two hundred eleven thousand, one hundred eighty-nine".