11315616 has 48 divisors (see below), whose sum is σ = 31991904. Its totient is φ = 3481344.

The previous prime is 11315611. The next prime is 11315641. The reversal of 11315616 is 61651311.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11315611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (666498).

Almost surely, 2^11315616 is an apocalyptic number.

11315616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11315616 is an abundant number, since it is smaller than the sum of its proper divisors (20676288).

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

11315616 is a wasteful number, since it uses less digits than its factorization.

11315616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093 (or 9085 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 11315616 is about 3363.8692007865. The cubic root of 11315616 is about 224.5050254909.

Adding to 11315616 its reverse (61651311), we get a palindrome (72966927).

The spelling of 11315616 in words is "eleven million, three hundred fifteen thousand, six hundred sixteen".