11641480 has 16 divisors (see below), whose sum is σ = 26193420. Its totient is φ = 4656576.

The previous prime is 11641463. The next prime is 11641501. The reversal of 11641480 is 8414611.

11641480 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 1285956 = 3218^2 + 1134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145479 + ... + 145558.

Almost surely, 2^11641480 is an apocalyptic number.

11641480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11641480 is an abundant number, since it is smaller than the sum of its proper divisors (14551940).

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

11641480 is a wasteful number, since it uses less digits than its factorization.

11641480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291048 (or 291044 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 11641480 is about 3411.9613127936. The cubic root of 11641480 is about 226.6397411308.

It can be divided in two parts, 11641 and 480, that added together give a palindrome (12121).

The spelling of 11641480 in words is "eleven million, six hundred forty-one thousand, four hundred eighty".