1540100005541 has 16 divisors (see below), whose sum is σ = 1666485849600. Its totient is φ = 1418027689728.

The previous prime is 1540100005531. The next prime is 1540100005559. The reversal of 1540100005541 is 1455000010451.

It is a cyclic number.

It is not a de Polignac number, because 1540100005541 - 2¹⁴ = 1540099989157 is a prime.

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 1540100005541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540100005531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113985 + ... + 5406758.

It is an arithmetic number, because the mean of its divisors is an integer number (104155365600).

Almost surely, 2^{1540100005541} is an apocalyptic number.

It is an amenable number.

1540100005541 is a deficient number, since it is larger than the sum of its proper divisors (126385844059).

1540100005541 is a wasteful number, since it uses less digits than its factorization.

1540100005541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520948.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 1540100005541 its reverse (1455000010451), we get a palindrome (2995100015992).

The spelling of 1540100005541 in words is "one trillion, five hundred forty billion, one hundred million, five thousand, five hundred forty-one".