11051616 has 96 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 3400704.

The previous prime is 11051611. The next prime is 11051629. The reversal of 11051616 is 61615011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11051616² = 244276432422912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11051592 and 11051601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051611) 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, 133111 + ... + 133193.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^11051616 is an apocalyptic number.

11051616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11051616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

11051616 is an abundant number, since it is smaller than the sum of its proper divisors (20277024).

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

11051616 is a wasteful number, since it uses less digits than its factorization.

11051616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11051616 is about 3324.3970881951. The cubic root of 11051616 is about 222.7453238232.

Adding to 11051616 its reverse (61615011), we get a palindrome (72666627).

The spelling of 11051616 in words is "eleven million, fifty-one thousand, six hundred sixteen".