40103205253543 has 8 divisors (see below), whose sum is σ = 40192110632960. Its totient is φ = 40014374998680.

The previous prime is 40103205253519. The next prime is 40103205253547. The reversal of 40103205253543 is 34535250230104.

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

It is a cyclic number.

It is not a de Polignac number, because 40103205253543 - 2²¹ = 40103203156391 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 (40103205253547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17712243 + ... + 19847668.

It is an arithmetic number, because the mean of its divisors is an integer number (5024013829120).

Almost surely, 2^{40103205253543} is an apocalyptic number.

40103205253543 is a deficient number, since it is larger than the sum of its proper divisors (88905379417).

40103205253543 is a wasteful number, since it uses less digits than its factorization.

40103205253543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37562277.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 40103205253543 its reverse (34535250230104), we get a palindrome (74638455483647).

The spelling of 40103205253543 in words is "forty trillion, one hundred three billion, two hundred five million, two hundred fifty-three thousand, five hundred forty-three".