11556455 has 8 divisors (see below), whose sum is σ = 13941504. Its totient is φ = 9196000.

The previous prime is 11556451. The next prime is 11556473. The reversal of 11556455 is 55465511.

11556455 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11556455 - 2² = 11556451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556451) 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, 5096 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (1742688).

Almost surely, 2^11556455 is an apocalyptic number.

11556455 is a deficient number, since it is larger than the sum of its proper divisors (2385049).

11556455 is a wasteful number, since it uses less digits than its factorization.

11556455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297.

The product of its digits is 15000, while the sum is 32.

The square root of 11556455 is about 3399.4786364971. The cubic root of 11556455 is about 226.0866284968.

The spelling of 11556455 in words is "eleven million, five hundred fifty-six thousand, four hundred fifty-five".