11603696221440 has 576 divisors, whose sum is σ = 43438970265600. Its totient is φ = 2925052010496.

The previous prime is 11603696221427. The next prime is 11603696221471. The reversal of 11603696221440 is 4412269630611.

11603696221440 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 3 + 6 + 9 + 622 + 14 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 304005237 + ... + 304043403.

Almost surely, 2^{11603696221440} is an apocalyptic number.

11603696221440 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 11603696221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21719485132800).

11603696221440 is an abundant number, since it is smaller than the sum of its proper divisors (31835274044160).

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

11603696221440 is a wasteful number, since it uses less digits than its factorization.

11603696221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38679 (or 38659 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 11603696221440 in words is "eleven trillion, six hundred three billion, six hundred ninety-six million, two hundred twenty-one thousand, four hundred forty".