151672111 has 2 divisors, whose sum is σ = 151672112. Its totient is φ = 151672110.

The previous prime is 151672091. The next prime is 151672123. The reversal of 151672111 is 111276151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151672111 - 2⁷ = 151671983 is a prime.

It is equal to p_8533051 and since 151672111 and 8533051 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151672141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75836055 + 75836056.

It is an arithmetic number, because the mean of its divisors is an integer number (75836056).

Almost surely, 2^151672111 is an apocalyptic number.

151672111 is a deficient number, since it is larger than the sum of its proper divisors (1).

151672111 is an equidigital number, since it uses as much as digits as its factorization.

151672111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 25.

The square root of 151672111 is about 12315.5231719972. The cubic root of 151672111 is about 533.2963080634.

The spelling of 151672111 in words is "one hundred fifty-one million, six hundred seventy-two thousand, one hundred eleven".