11726487548240 has 40 divisors (see below), whose sum is σ = 27264384905928. Its totient is φ = 4690543173120.

The previous prime is 11726487548233. The next prime is 11726487548309. The reversal of 11726487548240 is 4284578462711.

It can be written as a sum of positive squares in 4 ways, for example, as 6397075211536 + 5329412336704 = 2529244^2 + 2308552^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 11726487548240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6932474 + ... + 8456486.

Almost surely, 2^{11726487548240} is an apocalyptic number.

11726487548240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11726487548240 is an abundant number, since it is smaller than the sum of its proper divisors (15537897357688).

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

11726487548240 is a wasteful number, since it uses less digits than its factorization.

11726487548240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620207 (or 1620201 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 59.

The spelling of 11726487548240 in words is "eleven trillion, seven hundred twenty-six billion, four hundred eighty-seven million, five hundred forty-eight thousand, two hundred forty".