11455480 has 32 divisors (see below), whose sum is σ = 27133200. Its totient is φ = 4340736.

The previous prime is 11455471. The next prime is 11455481. The reversal of 11455480 is 8455411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455481) 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, 6777 + ... + 8296.

Almost surely, 2^11455480 is an apocalyptic number.

11455480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455480 is an abundant number, since it is smaller than the sum of its proper divisors (15677720).

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

11455480 is a wasteful number, since it uses less digits than its factorization.

11455480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103 (or 15099 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 11455480 is about 3384.5945104251. The cubic root of 11455480 is about 225.4262209001.

It can be divided in two parts, 11455 and 480, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11455480 in words is "eleven million, four hundred fifty-five thousand, four hundred eighty".