15342555054503 has 4 divisors (see below), whose sum is σ = 15342567396240. Its totient is φ = 15342542712768.

The previous prime is 15342555054493. The next prime is 15342555054511. The reversal of 15342555054503 is 30545055524351.

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 15342555054503 - 2¹⁸ = 15342554792359 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 (15342555054803) 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, 4067075 + ... + 6872132.

It is an arithmetic number, because the mean of its divisors is an integer number (3835641849060).

Almost surely, 2^{15342555054503} is an apocalyptic number.

15342555054503 is a deficient number, since it is larger than the sum of its proper divisors (12341737).

15342555054503 is a wasteful number, since it uses less digits than its factorization.

15342555054503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341736.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 15342555054503 in words is "fifteen trillion, three hundred forty-two billion, five hundred fifty-five million, fifty-four thousand, five hundred three".