11504263680 has 1280 divisors, whose sum is σ = 52796620800. Its totient is φ = 2309160960.

The previous prime is 11504263679. The next prime is 11504263691. The reversal of 11504263680 is 8636240511.

It is a happy number.

11504263680 is a `hidden beast` number, since 1 + 15 + 0 + 4 + 2 + 636 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 194987491 + ... + 194987549.

It is an arithmetic number, because the mean of its divisors is an integer number (41247360).

Almost surely, 2^11504263680 is an apocalyptic number.

11504263680 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 11504263680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26398310400).

11504263680 is an abundant number, since it is smaller than the sum of its proper divisors (41292357120).

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

11504263680 is a wasteful number, since it uses less digits than its factorization.

11504263680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11504263680 in words is "eleven billion, five hundred four million, two hundred sixty-three thousand, six hundred eighty".