11938151 has 2 divisors, whose sum is σ = 11938152. Its totient is φ = 11938150.

The previous prime is 11938109. The next prime is 11938159. The reversal of 11938151 is 15183911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11938151 - 2¹⁰ = 11937127 is a prime.

It is a Chen prime.

It is equal to p₇₈₄₂₅₃ and since 11938151 and 784253 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 (11938159) 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, 5969075 + 5969076.

It is an arithmetic number, because the mean of its divisors is an integer number (5969076).

Almost surely, 2^11938151 is an apocalyptic number.

11938151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11938151 is an equidigital number, since it uses as much as digits as its factorization.

11938151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 29.

The square root of 11938151 is about 3455.1629484006. The cubic root of 11938151 is about 228.5488406436.

The spelling of 11938151 in words is "eleven million, nine hundred thirty-eight thousand, one hundred fifty-one".