11504307380 has 12 divisors (see below), whose sum is σ = 24159045540. Its totient is φ = 4601722944.

The previous prime is 11504307361. The next prime is 11504307389. The reversal of 11504307380 is 8370340511.

It can be written as a sum of positive squares in 2 ways, for example, as 2507405476 + 8996901904 = 50074^2 + 94852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11504307389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287607665 + ... + 287607704.

It is an arithmetic number, because the mean of its divisors is an integer number (2013253795).

Almost surely, 2^11504307380 is an apocalyptic number.

11504307380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11504307380 is an abundant number, since it is smaller than the sum of its proper divisors (12654738160).

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

11504307380 is a wasteful number, since it uses less digits than its factorization.

11504307380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575215378 (or 575215376 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 11504307380 its reverse (8370340511), we get a palindrome (19874647891).

The spelling of 11504307380 in words is "eleven billion, five hundred four million, three hundred seven thousand, three hundred eighty".