11734289280 has 384 divisors, whose sum is σ = 46972224000. Its totient is φ = 2643701760.

The previous prime is 11734289279. The next prime is 11734289299. The reversal of 11734289280 is 8298243711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2860671 + ... + 2864769.

It is an arithmetic number, because the mean of its divisors is an integer number (122323500).

Almost surely, 2^11734289280 is an apocalyptic number.

11734289280 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 11734289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23486112000).

11734289280 is an abundant number, since it is smaller than the sum of its proper divisors (35237934720).

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

11734289280 is a wasteful number, since it uses less digits than its factorization.

11734289280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 11734289280 in words is "eleven billion, seven hundred thirty-four million, two hundred eighty-nine thousand, two hundred eighty".