13515042454 has 8 divisors (see below), whose sum is σ = 20288368440. Its totient is φ = 6752252976.

The previous prime is 13515042427. The next prime is 13515042469. The reversal of 13515042454 is 45424051531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630919 + ... + 2636050.

It is an arithmetic number, because the mean of its divisors is an integer number (2536046055).

Almost surely, 2^13515042454 is an apocalyptic number.

13515042454 is a deficient number, since it is larger than the sum of its proper divisors (6773325986).

13515042454 is a wasteful number, since it uses less digits than its factorization.

13515042454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268254.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 13515042454 its reverse (45424051531), we get a palindrome (58939093985).

The spelling of 13515042454 in words is "thirteen billion, five hundred fifteen million, forty-two thousand, four hundred fifty-four".