1015211085 has 16 divisors (see below), whose sum is σ = 1856386176. Its totient is φ = 464096448.

The previous prime is 1015211063. The next prime is 1015211089. The reversal of 1015211085 is 5801125101.

It is not a de Polignac number, because 1015211085 - 2⁸ = 1015210829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015211089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834234 + ... + 4834443.

It is an arithmetic number, because the mean of its divisors is an integer number (116024136).

Almost surely, 2^1015211085 is an apocalyptic number.

1015211085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015211085 is a deficient number, since it is larger than the sum of its proper divisors (841175091).

1015211085 is an equidigital number, since it uses as much as digits as its factorization.

1015211085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668692.

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 1015211085 is about 31862.3772653580. The cubic root of 1015211085 is about 1005.0448681733.

Adding to 1015211085 its reverse (5801125101), we get a palindrome (6816336186).

The spelling of 1015211085 in words is "one billion, fifteen million, two hundred eleven thousand, eighty-five".