1255541018 has 16 divisors (see below), whose sum is σ = 1995041664. Its totient is φ = 590562240.

The previous prime is 1255541011. The next prime is 1255541041. The reversal of 1255541018 is 8101455521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255541011) 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 7 ways as a sum of consecutive naturals, for example, 75653 + ... + 90743.

It is an arithmetic number, because the mean of its divisors is an integer number (124690104).

Almost surely, 2^1255541018 is an apocalyptic number.

1255541018 is a deficient number, since it is larger than the sum of its proper divisors (739500646).

1255541018 is a wasteful number, since it uses less digits than its factorization.

1255541018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 1255541018 is about 35433.6142384601. The cubic root of 1255541018 is about 1078.8067004047.

Adding to 1255541018 its reverse (8101455521), we get a palindrome (9356996539).

The spelling of 1255541018 in words is "one billion, two hundred fifty-five million, five hundred forty-one thousand, eighteen".