113252647543 has 32 divisors (see below), whose sum is σ = 134242549760. Its totient is φ = 93529144800.

The previous prime is 113252647523. The next prime is 113252647549. The reversal of 113252647543 is 345746252311.

It is not a de Polignac number, because 113252647543 - 2¹⁷ = 113252516471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113252647543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113252647549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44394118 + ... + 44396668.

It is an arithmetic number, because the mean of its divisors is an integer number (4195079680).

Almost surely, 2^113252647543 is an apocalyptic number.

113252647543 is a deficient number, since it is larger than the sum of its proper divisors (20989902217).

113252647543 is a wasteful number, since it uses less digits than its factorization.

113252647543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547.

The product of its digits is 604800, while the sum is 43.

Adding to 113252647543 its reverse (345746252311), we get a palindrome (458998899854).

The spelling of 113252647543 in words is "one hundred thirteen billion, two hundred fifty-two million, six hundred forty-seven thousand, five hundred forty-three".