13752777505 has 32 divisors (see below), whose sum is σ = 17795543040. Its totient is φ = 10169530560.

The previous prime is 13752777463. The next prime is 13752777551. The reversal of 13752777505 is 50577725731.

It is not a de Polignac number, because 13752777505 - 2³¹ = 11605293857 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 31 ways as a sum of consecutive naturals, for example, 6416464 + ... + 6418606.

It is an arithmetic number, because the mean of its divisors is an integer number (556110720).

Almost surely, 2^13752777505 is an apocalyptic number.

It is an amenable number.

13752777505 is a deficient number, since it is larger than the sum of its proper divisors (4042765535).

13752777505 is a wasteful number, since it uses less digits than its factorization.

13752777505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 1800750, while the sum is 49.

The spelling of 13752777505 in words is "thirteen billion, seven hundred fifty-two million, seven hundred seventy-seven thousand, five hundred five".