11315512 has 16 divisors (see below), whose sum is σ = 22848840. Its totient is φ = 5222496.

The previous prime is 11315509. The next prime is 11315519. The reversal of 11315512 is 21551311.

It is a self number, because there is not a number n which added to its sum of digits gives 11315512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54298 + ... + 54505.

Almost surely, 2^11315512 is an apocalyptic number.

It is an amenable number.

11315512 is an abundant number, since it is smaller than the sum of its proper divisors (11533328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11315512 is a wasteful number, since it uses less digits than its factorization.

11315512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108822 (or 108818 counting only the distinct ones).

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

The square root of 11315512 is about 3363.8537423616. The cubic root of 11315512 is about 224.5043376923.

Adding to 11315512 its reverse (21551311), we get a palindrome (32866823).

It can be divided in two parts, 113 and 15512, that added together give a 6-th power (15625 = 5⁶).

The spelling of 11315512 in words is "eleven million, three hundred fifteen thousand, five hundred twelve".