11151630 has 96 divisors (see below), whose sum is σ = 34265088. Its totient is φ = 2462400.

The previous prime is 11151589. The next prime is 11151653. The reversal of 11151630 is 3615111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19245 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (356928).

Almost surely, 2^11151630 is an apocalyptic number.

11151630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11151630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17132544).

11151630 is an abundant number, since it is smaller than the sum of its proper divisors (23113458).

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

11151630 is a wasteful number, since it uses less digits than its factorization.

11151630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11151630 is about 3339.4056357382. The cubic root of 11151630 is about 223.4152344351.

Adding to 11151630 its reverse (3615111), we get a palindrome (14766741).

It can be divided in two parts, 11151 and 630, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11151630 in words is "eleven million, one hundred fifty-one thousand, six hundred thirty".