11680455 has 8 divisors (see below), whose sum is σ = 18688752. Its totient is φ = 6229568.

The previous prime is 11680379. The next prime is 11680457. The reversal of 11680455 is 55408611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11680455 - 2¹⁴ = 11664071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389334 + ... + 389363.

It is an arithmetic number, because the mean of its divisors is an integer number (2336094).

Almost surely, 2^11680455 is an apocalyptic number.

11680455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11680455 is a deficient number, since it is larger than the sum of its proper divisors (7008297).

11680455 is an equidigital number, since it uses as much as digits as its factorization.

11680455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778705.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 11680455 is about 3417.6680646312. The cubic root of 11680455 is about 226.8923849650.

The spelling of 11680455 in words is "eleven million, six hundred eighty thousand, four hundred fifty-five".