11540311752 has 16 divisors (see below), whose sum is σ = 28850779440. Its totient is φ = 3846770576.

The previous prime is 11540311747. The next prime is 11540311759. The reversal of 11540311752 is 25711304511.

It is not an unprimeable number, because it can be changed into a prime (11540311759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240423138 + ... + 240423185.

It is an arithmetic number, because the mean of its divisors is an integer number (1803173715).

Almost surely, 2^11540311752 is an apocalyptic number.

11540311752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11540311752 is an abundant number, since it is smaller than the sum of its proper divisors (17310467688).

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

11540311752 is a wasteful number, since it uses less digits than its factorization.

11540311752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480846332 (or 480846328 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 11540311752 in words is "eleven billion, five hundred forty million, three hundred eleven thousand, seven hundred fifty-two".