11773097280 has 672 divisors, whose sum is σ = 49207302144. Its totient is φ = 2623186944.

The previous prime is 11773097251. The next prime is 11773097291. The reversal of 11773097280 is 8279037711.

It is a tau number, because it is divible by the number of its divisors (672).

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 95 ways as a sum of consecutive naturals, for example, 23405509 + ... + 23406011.

It is an arithmetic number, because the mean of its divisors is an integer number (73225152).

Almost surely, 2^11773097280 is an apocalyptic number.

11773097280 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 11773097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24603651072).

11773097280 is an abundant number, since it is smaller than the sum of its proper divisors (37434204864).

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

11773097280 is an equidigital number, since it uses as much as digits as its factorization.

11773097280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 11773097280 in words is "eleven billion, seven hundred seventy-three million, ninety-seven thousand, two hundred eighty".