13056754491533 has 2 divisors, whose sum is σ = 13056754491534. Its totient is φ = 13056754491532.

The previous prime is 13056754491527. The next prime is 13056754491553. The reversal of 13056754491533 is 33519445765031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8926482749284 + 4130271742249 = 2987722^2 + 2032307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13056754491533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13056754491553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528377245766 + 6528377245767.

It is an arithmetic number, because the mean of its divisors is an integer number (6528377245767).

Almost surely, 2^{13056754491533} is an apocalyptic number.

It is an amenable number.

13056754491533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13056754491533 is an equidigital number, since it uses as much as digits as its factorization.

13056754491533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 13056754491533 in words is "thirteen trillion, fifty-six billion, seven hundred fifty-four million, four hundred ninety-one thousand, five hundred thirty-three".