11503876660 has 12 divisors (see below), whose sum is σ = 24158141028. Its totient is φ = 4601550656.

The previous prime is 11503876633. The next prime is 11503876679. The reversal of 11503876660 is 6667830511.

It can be written as a sum of positive squares in 2 ways, for example, as 2502800784 + 9001075876 = 50028^2 + 94874^2 .

It is a congruent number.

It is an unprimeable number.

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, 287596897 + ... + 287596936.

It is an arithmetic number, because the mean of its divisors is an integer number (2013178419).

Almost surely, 2^11503876660 is an apocalyptic number.

11503876660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11503876660 is an abundant number, since it is smaller than the sum of its proper divisors (12654264368).

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

11503876660 is a wasteful number, since it uses less digits than its factorization.

11503876660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575193842 (or 575193840 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 11503876660 in words is "eleven billion, five hundred three million, eight hundred seventy-six thousand, six hundred sixty".