1315005112 has 8 divisors (see below), whose sum is σ = 2465634600. Its totient is φ = 657502552.

The previous prime is 1315005091. The next prime is 1315005113. The reversal of 1315005112 is 2115005131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1315005112² = 3458476889172265088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1315005112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315005113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82187812 + ... + 82187827.

It is an arithmetic number, because the mean of its divisors is an integer number (308204325).

Almost surely, 2^1315005112 is an apocalyptic number.

It is an amenable number.

1315005112 is a deficient number, since it is larger than the sum of its proper divisors (1150629488).

1315005112 is a wasteful number, since it uses less digits than its factorization.

1315005112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164375645 (or 164375641 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1315005112 is about 36262.9992140749. Note that the first 3 decimals coincide. The cubic root of 1315005112 is about 1095.5759254969.

Adding to 1315005112 its sum of digits (19), we get a palindrome (1315005131).

The spelling of 1315005112 in words is "one billion, three hundred fifteen million, five thousand, one hundred twelve".