13580123551 has 2 divisors, whose sum is σ = 13580123552. Its totient is φ = 13580123550.

The previous prime is 13580123539. The next prime is 13580123603. The reversal of 13580123551 is 15532108531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13580123551 - 2⁷ = 13580123423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13580121551) by changing a digit.

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 as a sum of consecutive naturals, namely, 6790061775 + 6790061776.

It is an arithmetic number, because the mean of its divisors is an integer number (6790061776).

Almost surely, 2^13580123551 is an apocalyptic number.

13580123551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13580123551 is an equidigital number, since it uses as much as digits as its factorization.

13580123551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 13580123551 in words is "thirteen billion, five hundred eighty million, one hundred twenty-three thousand, five hundred fifty-one".