15455353243 has 4 divisors (see below), whose sum is σ = 16860385368. Its totient is φ = 14050321120.

The previous prime is 15455353231. The next prime is 15455353253. The reversal of 15455353243 is 34235355451.

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

It is not a de Polignac number, because 15455353243 - 2¹³ = 15455345051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15455353196 and 15455353205.

It is not an unprimeable number, because it can be changed into a prime (15455353253) 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, 702516046 + ... + 702516067.

It is an arithmetic number, because the mean of its divisors is an integer number (4215096342).

Almost surely, 2^15455353243 is an apocalyptic number.

15455353243 is a deficient number, since it is larger than the sum of its proper divisors (1405032125).

15455353243 is a wasteful number, since it uses less digits than its factorization.

15455353243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405032124.

The product of its digits is 540000, while the sum is 40.

The spelling of 15455353243 in words is "fifteen billion, four hundred fifty-five million, three hundred fifty-three thousand, two hundred forty-three".