12454040115 has 256 divisors, whose sum is σ = 27097804800. Its totient is φ = 5352652800.

The previous prime is 12454040089. The next prime is 12454040167. The reversal of 12454040115 is 51104045421.

12454040115 is a `hidden beast` number, since 1 + 2 + 4 + 540 + 4 + 0 + 115 = 666.

It is not a de Polignac number, because 12454040115 - 2²³ = 12445651507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 51676395 + ... + 51676635.

It is an arithmetic number, because the mean of its divisors is an integer number (105850800).

Almost surely, 2^12454040115 is an apocalyptic number.

12454040115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12454040115 is an abundant number, since it is smaller than the sum of its proper divisors (14643764685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12454040115 is a wasteful number, since it uses less digits than its factorization.

12454040115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 12454040115 its reverse (51104045421), we get a palindrome (63558085536).

The spelling of 12454040115 in words is "twelve billion, four hundred fifty-four million, forty thousand, one hundred fifteen".