213452040111553 has 8 divisors (see below), whose sum is σ = 228752362611648. Its totient is φ = 198653367529584.

The previous prime is 213452040111547. The next prime is 213452040111623. The reversal of 213452040111553 is 355111040254312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-213452040111553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213452040111503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125412478651 + ... + 125412480352.

It is an arithmetic number, because the mean of its divisors is an integer number (28594045326456).

Almost surely, 2^{213452040111553} is an apocalyptic number.

213452040111553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213452040111553 is a deficient number, since it is larger than the sum of its proper divisors (15300322500095).

213452040111553 is a wasteful number, since it uses less digits than its factorization.

213452040111553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250824959063.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 213452040111553 its reverse (355111040254312), we get a palindrome (568563080365865).

The spelling of 213452040111553 in words is "two hundred thirteen trillion, four hundred fifty-two billion, forty million, one hundred eleven thousand, five hundred fifty-three".