11603494080 has 224 divisors, whose sum is σ = 41342950080. Its totient is φ = 3063398400.

The previous prime is 11603494033. The next prime is 11603494081. The reversal of 11603494080 is 8049430611.

11603494080 is a `hidden beast` number, since 1 + 1 + 603 + 4 + 9 + 40 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11603494081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865992 + ... + 879288.

Almost surely, 2^11603494080 is an apocalyptic number.

11603494080 is a gapful number since it is divisible by the number (10) 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 11603494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20671475040).

11603494080 is an abundant number, since it is smaller than the sum of its proper divisors (29739456000).

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

11603494080 is a wasteful number, since it uses less digits than its factorization.

11603494080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13424 (or 13408 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 11603494080 in words is "eleven billion, six hundred three million, four hundred ninety-four thousand, eighty".