13154252131503 has 56 divisors (see below), whose sum is σ = 22540738762400. Its totient is φ = 7516414289664.

The previous prime is 13154252131379. The next prime is 13154252131541. The reversal of 13154252131503 is 30513125245131.

It is a happy number.

13154252131503 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 425 + 213 + 15 + 0 + 3 = 666.

It is not a de Polignac number, because 13154252131503 - 2¹² = 13154252127407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154252131543) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 215157843 + ... + 215218971.

Almost surely, 2^{13154252131503} is an apocalyptic number.

13154252131503 is a deficient number, since it is larger than the sum of its proper divisors (9386486630897).

13154252131503 is an frugal number, since it uses more digits than its factorization.

13154252131503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103323 (or 103308 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 13154252131503 its reverse (30513125245131), we get a palindrome (43667377376634).

The spelling of 13154252131503 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-two million, one hundred thirty-one thousand, five hundred three".