11603455564 has 12 divisors (see below), whose sum is σ = 21188919024. Its totient is φ = 5549478704.

The previous prime is 11603455561. The next prime is 11603455571. The reversal of 11603455564 is 46555430611.

It is a happy number.

It is a super-3 number, since 3×11603455564³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11603455561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63062167 + ... + 63062350.

It is an arithmetic number, because the mean of its divisors is an integer number (1765743252).

Almost surely, 2^11603455564 is an apocalyptic number.

It is an amenable number.

11603455564 is a deficient number, since it is larger than the sum of its proper divisors (9585463460).

11603455564 is a wasteful number, since it uses less digits than its factorization.

11603455564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126124544 (or 126124542 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 11603455564 in words is "eleven billion, six hundred three million, four hundred fifty-five thousand, five hundred sixty-four".