13756461505 has 16 divisors (see below), whose sum is σ = 16626387600. Its totient is φ = 10926150912.

The previous prime is 13756461463. The next prime is 13756461553. The reversal of 13756461505 is 50516465731.

It can be written as a sum of positive squares in 8 ways, for example, as 1133264896 + 12623196609 = 33664^2 + 112353^2 .

It is a cyclic number.

It is not a de Polignac number, because 13756461505 - 2¹⁷ = 13756330433 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2707027 + ... + 2712103.

It is an arithmetic number, because the mean of its divisors is an integer number (1039149225).

Almost surely, 2^13756461505 is an apocalyptic number.

It is an amenable number.

13756461505 is a deficient number, since it is larger than the sum of its proper divisors (2869926095).

13756461505 is a wasteful number, since it uses less digits than its factorization.

13756461505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 13756461505 in words is "thirteen billion, seven hundred fifty-six million, four hundred sixty-one thousand, five hundred five".