1015260115 has 4 divisors (see below), whose sum is σ = 1218312144. Its totient is φ = 812208088.

The previous prime is 1015260097. The next prime is 1015260119. The reversal of 1015260115 is 5110625101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5110625101 = 401 ⋅12744701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015260115 is a prime.

It is a super-2 number, since 2×1015260115² = 2061506202219626450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015260119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101526007 + ... + 101526016.

It is an arithmetic number, because the mean of its divisors is an integer number (304578036).

Almost surely, 2^1015260115 is an apocalyptic number.

1015260115 is a deficient number, since it is larger than the sum of its proper divisors (203052029).

1015260115 is an equidigital number, since it uses as much as digits as its factorization.

1015260115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203052028.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1015260115 is about 31863.1466587969. The cubic root of 1015260115 is about 1005.0610475858.

Adding to 1015260115 its reverse (5110625101), we get a palindrome (6125885216).

The spelling of 1015260115 in words is "one billion, fifteen million, two hundred sixty thousand, one hundred fifteen".