135511488000 has 1280 divisors, whose sum is σ = 606689740800. Its totient is φ = 29107814400.

The previous prime is 135511487959. The next prime is 135511488011. The reversal of 135511488000 is 884115531.

135511488000 is a `hidden beast` number, since 13 + 551 + 14 + 8 + 80 + 0 + 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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 205631671 + ... + 205632329.

It is an arithmetic number, because the mean of its divisors is an integer number (473976360).

Almost surely, 2^135511488000 is an apocalyptic number.

135511488000 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 135511488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303344870400).

135511488000 is an abundant number, since it is smaller than the sum of its proper divisors (471178252800).

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

135511488000 is an equidigital number, since it uses as much as digits as its factorization.

135511488000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 135511488000 in words is "one hundred thirty-five billion, five hundred eleven million, four hundred eighty-eight thousand".