13458185551 has 2 divisors, whose sum is σ = 13458185552. Its totient is φ = 13458185550.

The previous prime is 13458185509. The next prime is 13458185563. The reversal of 13458185551 is 15558185431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13458185551 - 2⁷ = 13458185423 is a prime.

It is a super-2 number, since 2×13458185551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13458185591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6729092775 + 6729092776.

It is an arithmetic number, because the mean of its divisors is an integer number (6729092776).

Almost surely, 2^13458185551 is an apocalyptic number.

13458185551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13458185551 is an equidigital number, since it uses as much as digits as its factorization.

13458185551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480000, while the sum is 46.

The spelling of 13458185551 in words is "thirteen billion, four hundred fifty-eight million, one hundred eighty-five thousand, five hundred fifty-one".