15315055452143 has 4 divisors (see below), whose sum is σ = 15412603576200. Its totient is φ = 15217507328088.

The previous prime is 15315055452113. The next prime is 15315055452149. The reversal of 15315055452143 is 34125455051351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15315055452143 - 2¹⁶ = 15315055386607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15315055452094 and 15315055452103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15315055452149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48774061793 + ... + 48774062106.

It is an arithmetic number, because the mean of its divisors is an integer number (3853150894050).

Almost surely, 2^{15315055452143} is an apocalyptic number.

15315055452143 is a deficient number, since it is larger than the sum of its proper divisors (97548124057).

15315055452143 is an equidigital number, since it uses as much as digits as its factorization.

15315055452143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97548124056.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 15315055452143 in words is "fifteen trillion, three hundred fifteen billion, fifty-five million, four hundred fifty-two thousand, one hundred forty-three".