13115110455 has 12 divisors (see below), whose sum is σ = 22732858200. Its totient is φ = 6994725552.

The previous prime is 13115110447. The next prime is 13115110517. The reversal of 13115110455 is 55401151131.

It is not a de Polignac number, because 13115110455 - 2³ = 13115110447 is a prime.

It is a super-2 number, since 2×13115110455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145723405 + ... + 145723494.

It is an arithmetic number, because the mean of its divisors is an integer number (1894404850).

Almost surely, 2^13115110455 is an apocalyptic number.

13115110455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13115110455 is a deficient number, since it is larger than the sum of its proper divisors (9617747745).

13115110455 is a wasteful number, since it uses less digits than its factorization.

13115110455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291446910 (or 291446907 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 13115110455 its reverse (55401151131), we get a palindrome (68516261586).

The spelling of 13115110455 in words is "thirteen billion, one hundred fifteen million, one hundred ten thousand, four hundred fifty-five".