11543446080 has 840 divisors, whose sum is σ = 46195414848. Its totient is φ = 2729852928.

The previous prime is 11543446069. The next prime is 11543446121. The reversal of 11543446080 is 8064434511.

11543446080 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 3 + 44 + 608 + 0 = 666.

It is a super-2 number, since 2×11543446080² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 172290207 + ... + 172290273.

Almost surely, 2^11543446080 is an apocalyptic number.

11543446080 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 11543446080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23097707424).

11543446080 is an abundant number, since it is smaller than the sum of its proper divisors (34651968768).

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

11543446080 is a wasteful number, since it uses less digits than its factorization.

11543446080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 11543446080 in words is "eleven billion, five hundred forty-three million, four hundred forty-six thousand, eighty".