1015000255 has 4 divisors (see below), whose sum is σ = 1218000312. Its totient is φ = 812000200.

The previous prime is 1015000247. The next prime is 1015000303. The reversal of 1015000255 is 5520005101.

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

It is not a de Polignac number, because 1015000255 - 2³ = 1015000247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101500021 + ... + 101500030.

It is an arithmetic number, because the mean of its divisors is an integer number (304500078).

Almost surely, 2^1015000255 is an apocalyptic number.

1015000255 is a deficient number, since it is larger than the sum of its proper divisors (203000057).

1015000255 is an equidigital number, since it uses as much as digits as its factorization.

1015000255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203000056.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1015000255 is about 31859.0686461485. The cubic root of 1015000255 is about 1004.9752904331.

Adding to 1015000255 its reverse (5520005101), we get a palindrome (6535005356).

The spelling of 1015000255 in words is "one billion, fifteen million, two hundred fifty-five", and thus it is an aban number.