248861115 has 48 divisors (see below), whose sum is σ = 445536000. Its totient is φ = 128437056.

The previous prime is 248861089. The next prime is 248861131. The reversal of 248861115 is 511168842.

248861115 is a `hidden beast` number, since 2 + 488 + 61 + 115 = 666.

It is not a de Polignac number, because 248861115 - 2⁶ = 248861051 is a prime.

248861115 is a Rhonda number in base 10.

Its product of digits (15360) is a multiple of the sum of its prime factors (1536).

It is a self number, because there is not a number n which added to its sum of digits gives 248861115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177186 + ... + 178584.

It is an arithmetic number, because the mean of its divisors is an integer number (9282000).

Almost surely, 2^248861115 is an apocalyptic number.

248861115 is a deficient number, since it is larger than the sum of its proper divisors (196674885).

248861115 is a wasteful number, since it uses less digits than its factorization.

248861115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 248861115 is about 15775.3324846103. The cubic root of 248861115 is about 629.0024651882.

The spelling of 248861115 in words is "two hundred forty-eight million, eight hundred sixty-one thousand, one hundred fifteen".