1540872611099 has 2 divisors, whose sum is σ = 1540872611100. Its totient is φ = 1540872611098.

The previous prime is 1540872611081. The next prime is 1540872611141. The reversal of 1540872611099 is 9901162780451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1540872611099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1540872611099.

It is not a weakly prime, because it can be changed into another prime (1540872611009) 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 as a sum of consecutive naturals, namely, 770436305549 + 770436305550.

It is an arithmetic number, because the mean of its divisors is an integer number (770436305550).

Almost surely, 2^{1540872611099} is an apocalyptic number.

1540872611099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540872611099 is an equidigital number, since it uses as much as digits as its factorization.

1540872611099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 1540872611099 in words is "one trillion, five hundred forty billion, eight hundred seventy-two million, six hundred eleven thousand, ninety-nine".