1540500012535 has 16 divisors (see below), whose sum is σ = 2016698919840. Its totient is φ = 1120339002240.

The previous prime is 1540500012529. The next prime is 1540500012547. The reversal of 1540500012535 is 5352100050451.

It is not a de Polignac number, because 1540500012535 - 2²⁵ = 1540466458103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1540500012497 and 1540500012506.

It is a congruent number.

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, 2435269 + ... + 3001921.

It is an arithmetic number, because the mean of its divisors is an integer number (126043682490).

Almost surely, 2^{1540500012535} is an apocalyptic number.

1540500012535 is a deficient number, since it is larger than the sum of its proper divisors (476198907305).

1540500012535 is a wasteful number, since it uses less digits than its factorization.

1540500012535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616098.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 1540500012535 its reverse (5352100050451), we get a palindrome (6892600062986).

The spelling of 1540500012535 in words is "one trillion, five hundred forty billion, five hundred million, twelve thousand, five hundred thirty-five".