11455538 has 8 divisors (see below), whose sum is σ = 17231232. Its totient is φ = 5711796.

The previous prime is 11455531. The next prime is 11455547. The reversal of 11455538 is 83555411.

11455538 is digitally balanced in base 2, because in such base 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 an unprimeable number, because it can be changed into a prime (11455531) 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, 7070 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (2153904).

Almost surely, 2^11455538 is an apocalyptic number.

11455538 is a deficient number, since it is larger than the sum of its proper divisors (5775694).

11455538 is a wasteful number, since it uses less digits than its factorization.

11455538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15976.

The product of its digits is 12000, while the sum is 32.

The square root of 11455538 is about 3384.6030786490. The cubic root of 11455538 is about 225.4266013497.

The spelling of 11455538 in words is "eleven million, four hundred fifty-five thousand, five hundred thirty-eight".