13115335013451 has 24 divisors (see below), whose sum is σ = 20666758512816. Its totient is φ = 7948622499840.

The previous prime is 13115335013423. The next prime is 13115335013483. The reversal of 13115335013451 is 15431053351131.

13115335013451 is a `hidden beast` number, since 1 + 3 + 1 + 153 + 3 + 50 + 1 + 3 + 451 = 666.

It is not a de Polignac number, because 13115335013451 - 2¹¹ = 13115335011403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13115335013411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13324711 + ... + 14275103.

It is an arithmetic number, because the mean of its divisors is an integer number (861114938034).

Almost surely, 2^{13115335013451} is an apocalyptic number.

13115335013451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13115335013451 is a deficient number, since it is larger than the sum of its proper divisors (7551423499365).

13115335013451 is a wasteful number, since it uses less digits than its factorization.

13115335013451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089803 (or 1089800 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

Adding to 13115335013451 its reverse (15431053351131), we get a palindrome (28546388364582).

The spelling of 13115335013451 in words is "thirteen trillion, one hundred fifteen billion, three hundred thirty-five million, thirteen thousand, four hundred fifty-one".