48815111 has 4 divisors (see below), whose sum is σ = 50389824. Its totient is φ = 47240400.

The previous prime is 48815101. The next prime is 48815119. The reversal of 48815111 is 11151884.

48815111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48815111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48815119) 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 in 3 ways as a sum of consecutive naturals, for example, 787310 + ... + 787371.

It is an arithmetic number, because the mean of its divisors is an integer number (12597456).

Almost surely, 2^48815111 is an apocalyptic number.

48815111 is a deficient number, since it is larger than the sum of its proper divisors (1574713).

48815111 is a wasteful number, since it uses less digits than its factorization.

48815111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574712.

The product of its digits is 1280, while the sum is 29.

The square root of 48815111 is about 6986.7811615937. The cubic root of 48815111 is about 365.4697423556.

Adding to 48815111 its reverse (11151884), we get a palindrome (59966995).

The spelling of 48815111 in words is "forty-eight million, eight hundred fifteen thousand, one hundred eleven".