11457555 has 16 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 6092768.

The previous prime is 11457553. The next prime is 11457571. The reversal of 11457555 is 55575411.

It is a happy number.

11457555 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11457555 - 2¹ = 11457553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11457553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^11457555 is an apocalyptic number.

11457555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11457555 is a deficient number, since it is larger than the sum of its proper divisors (6928365).

11457555 is a wasteful number, since it uses less digits than its factorization.

11457555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 17500, while the sum is 33.

The square root of 11457555 is about 3384.9010325267. The cubic root of 11457555 is about 225.4398310141.

The spelling of 11457555 in words is "eleven million, four hundred fifty-seven thousand, five hundred fifty-five".