5543210123455 has 4 divisors (see below), whose sum is σ = 6651852148152. Its totient is φ = 4434568098760.

The previous prime is 5543210123453. The next prime is 5543210123471.

5543210123455 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5543210123455 - 2¹ = 5543210123453 is a prime.

It is a super-2 number, since 2×5543210123455² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543210123453) 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, 554321012341 + ... + 554321012350.

It is an arithmetic number, because the mean of its divisors is an integer number (1662963037038).

Almost surely, 2^{5543210123455} is an apocalyptic number.

5543210123455 is a deficient number, since it is larger than the sum of its proper divisors (1108642024697).

5543210123455 is a wasteful number, since it uses less digits than its factorization.

5543210123455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108642024696.

The product of its (nonzero) digits is 360000, while the sum is 40.

It can be divided in two parts, 5543210 and 123455, that added together give a palindrome (5666665).

The spelling of 5543210123455 in words is "five trillion, five hundred forty-three billion, two hundred ten million, one hundred twenty-three thousand, four hundred fifty-five".