11534051240 has 64 divisors (see below), whose sum is σ = 26350047360. Its totient is φ = 4543292160.

The previous prime is 11534051231. The next prime is 11534051257. The reversal of 11534051240 is 4215043511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737987 + ... + 753453.

It is an arithmetic number, because the mean of its divisors is an integer number (411719490).

Almost surely, 2^11534051240 is an apocalyptic number.

11534051240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11534051240 is an abundant number, since it is smaller than the sum of its proper divisors (14815996120).

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

11534051240 is a wasteful number, since it uses less digits than its factorization.

11534051240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15762 (or 15758 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11534051240 its reverse (4215043511), we get a palindrome (15749094751).

The spelling of 11534051240 in words is "eleven billion, five hundred thirty-four million, fifty-one thousand, two hundred forty".