1540052105115 has 16 divisors (see below), whose sum is σ = 2543569929216. Its totient is φ = 794865602400.

The previous prime is 1540052105077. The next prime is 1540052105129. The reversal of 1540052105115 is 5115012500451.

It is not a de Polignac number, because 1540052105115 - 2⁹ = 1540052104603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655969541 + ... + 1655970470.

It is an arithmetic number, because the mean of its divisors is an integer number (158973120576).

Almost surely, 2^{1540052105115} is an apocalyptic number.

1540052105115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1540052105115 is a deficient number, since it is larger than the sum of its proper divisors (1003517824101).

1540052105115 is a wasteful number, since it uses less digits than its factorization.

1540052105115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311940050.

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 1540052105115 its reverse (5115012500451), we get a palindrome (6655064605566).

The spelling of 1540052105115 in words is "one trillion, five hundred forty billion, fifty-two million, one hundred five thousand, one hundred fifteen".