11157630 has 32 divisors (see below), whose sum is σ = 29213568. Its totient is φ = 2704800.

The previous prime is 11157623. The next prime is 11157673. The reversal of 11157630 is 3675111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11157630.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16576 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (912924).

Almost surely, 2^11157630 is an apocalyptic number.

11157630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11157630 is an abundant number, since it is smaller than the sum of its proper divisors (18055938).

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

11157630 is a wasteful number, since it uses less digits than its factorization.

11157630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33832.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 11157630 is about 3340.3038783919. The cubic root of 11157630 is about 223.4552958750.

It can be divided in two parts, 11 and 157630, that added together give a triangular number (157641 = T₅₆₁).

The spelling of 11157630 in words is "eleven million, one hundred fifty-seven thousand, six hundred thirty".