13056754491538 has 16 divisors (see below), whose sum is σ = 20011532474880. Its totient is φ = 6386378330656.

The previous prime is 13056754491533. The next prime is 13056754491553. The reversal of 13056754491538 is 83519445765031.

It is not an unprimeable number, because it can be changed into a prime (13056754491533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33471043 + ... + 33858886.

It is an arithmetic number, because the mean of its divisors is an integer number (1250720779680).

Almost surely, 2^{13056754491538} is an apocalyptic number.

13056754491538 is a deficient number, since it is larger than the sum of its proper divisors (6954777983342).

13056754491538 is a wasteful number, since it uses less digits than its factorization.

13056754491538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67332041.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 13056754491538 in words is "thirteen trillion, fifty-six billion, seven hundred fifty-four million, four hundred ninety-one thousand, five hundred thirty-eight".