48181811 has 2 divisors, whose sum is σ = 48181812. Its totient is φ = 48181810.

The previous prime is 48181787. The next prime is 48181933. The reversal of 48181811 is 11818184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48181811 - 2¹⁰ = 48180787 is a prime.

It is a super-2 number, since 2×48181811² = 4642973822479442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48186811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24090905 + 24090906.

It is an arithmetic number, because the mean of its divisors is an integer number (24090906).

Almost surely, 2^48181811 is an apocalyptic number.

48181811 is a deficient number, since it is larger than the sum of its proper divisors (1).

48181811 is an equidigital number, since it uses as much as digits as its factorization.

48181811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 32.

The square root of 48181811 is about 6941.3119077016. The cubic root of 48181811 is about 363.8823911596.

Adding to 48181811 its reverse (11818184), we get a palindrome (59999995).

The spelling of 48181811 in words is "forty-eight million, one hundred eighty-one thousand, eight hundred eleven".