40013054502541 has 4 divisors (see below), whose sum is σ = 40013068357692. Its totient is φ = 40013040647392.

The previous prime is 40013054502461. The next prime is 40013054502599. The reversal of 40013054502541 is 14520545031004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16763742866025 + 23249311636516 = 4094355^2 + 4821754^2 .

It is a cyclic number.

It is not a de Polignac number, because 40013054502541 - 2¹⁹ = 40013053978253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40013054502497 and 40013054502506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013054502041) 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, 773080 + ... + 8979073.

It is an arithmetic number, because the mean of its divisors is an integer number (10003267089423).

Almost surely, 2^{40013054502541} is an apocalyptic number.

It is an amenable number.

40013054502541 is a deficient number, since it is larger than the sum of its proper divisors (13855151).

40013054502541 is an equidigital number, since it uses as much as digits as its factorization.

40013054502541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855150.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 40013054502541 its reverse (14520545031004), we get a palindrome (54533599533545).

The spelling of 40013054502541 in words is "forty trillion, thirteen billion, fifty-four million, five hundred two thousand, five hundred forty-one".