46111991 has 2 divisors, whose sum is σ = 46111992. Its totient is φ = 46111990.

The previous prime is 46111951. The next prime is 46112009. The reversal of 46111991 is 19911164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46111991 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 (46111931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23055995 + 23055996.

It is an arithmetic number, because the mean of its divisors is an integer number (23055996).

Almost surely, 2^46111991 is an apocalyptic number.

46111991 is a deficient number, since it is larger than the sum of its proper divisors (1).

46111991 is an equidigital number, since it uses as much as digits as its factorization.

46111991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 32.

The square root of 46111991 is about 6790.5810502489. The cubic root of 46111991 is about 358.5953261685.

The spelling of 46111991 in words is "forty-six million, one hundred eleven thousand, nine hundred ninety-one".