11156480 has 44 divisors (see below), whose sum is σ = 26774760. Its totient is φ = 4460544.

The previous prime is 11156461. The next prime is 11156489. The reversal of 11156480 is 8465111.

It is a super-3 number, since 3×11156480³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031 + ... + 6209.

Almost surely, 2^11156480 is an apocalyptic number.

11156480 is a gapful number since it is divisible by the number (10) 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 11156480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13387380).

11156480 is an abundant number, since it is smaller than the sum of its proper divisors (15618280).

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

11156480 is an equidigital number, since it uses as much as digits as its factorization.

11156480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11156480 is about 3340.1317339291. The cubic root of 11156480 is about 223.4476185451.

The spelling of 11156480 in words is "eleven million, one hundred fifty-six thousand, four hundred eighty".