13055091587 has 2 divisors, whose sum is σ = 13055091588. Its totient is φ = 13055091586.

The previous prime is 13055091563. The next prime is 13055091593. The reversal of 13055091587 is 78519055031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13055091587 - 2⁶ = 13055091523 is a prime.

It is not a weakly prime, because it can be changed into another prime (13055093587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527545793 + 6527545794.

It is an arithmetic number, because the mean of its divisors is an integer number (6527545794).

Almost surely, 2^13055091587 is an apocalyptic number.

13055091587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13055091587 is an equidigital number, since it uses as much as digits as its factorization.

13055091587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 13055091587 in words is "thirteen billion, fifty-five million, ninety-one thousand, five hundred eighty-seven".