11545603 has 2 divisors, whose sum is σ = 11545604. Its totient is φ = 11545602.

The previous prime is 11545577. The next prime is 11545627. The reversal of 11545603 is 30654511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11545603 - 2²¹ = 9448451 is a prime.

It is not a weakly prime, because it can be changed into another prime (11545643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772801 + 5772802.

It is an arithmetic number, because the mean of its divisors is an integer number (5772802).

Almost surely, 2^11545603 is an apocalyptic number.

11545603 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545603 is an equidigital number, since it uses as much as digits as its factorization.

11545603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 11545603 is about 3397.8821345067. The cubic root of 11545603 is about 226.0158380317.

The spelling of 11545603 in words is "eleven million, five hundred forty-five thousand, six hundred three".