13455511 has 2 divisors, whose sum is σ = 13455512. Its totient is φ = 13455510.

The previous prime is 13455493. The next prime is 13455527. The reversal of 13455511 is 11555431.

It is a happy number.

13455511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13455511 - 2⁵ = 13455479 is a prime.

It is a super-2 number, since 2×13455511² = 362101552542242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13455311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727755 + 6727756.

It is an arithmetic number, because the mean of its divisors is an integer number (6727756).

Almost surely, 2^13455511 is an apocalyptic number.

13455511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455511 is an equidigital number, since it uses as much as digits as its factorization.

13455511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 25.

The square root of 13455511 is about 3668.1754320098. The cubic root of 13455511 is about 237.8483074047.

The spelling of 13455511 in words is "thirteen million, four hundred fifty-five thousand, five hundred eleven".