11603013604 has 144 divisors (see below), whose sum is σ = 27101468800. Its totient is φ = 4318272000.

The previous prime is 11603013601. The next prime is 11603013607. The reversal of 11603013604 is 40631030611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11603013601) and next prime (11603013607).

It is not an unprimeable number, because it can be changed into a prime (11603013601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5153479 + ... + 5155729.

Almost surely, 2^11603013604 is an apocalyptic number.

11603013604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11603013604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13550734400).

11603013604 is an abundant number, since it is smaller than the sum of its proper divisors (15498455196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11603013604 is a wasteful number, since it uses less digits than its factorization.

11603013604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 11603013604 in words is "eleven billion, six hundred three million, thirteen thousand, six hundred four".