12503106505635 has 32 divisors (see below), whose sum is σ = 20142409366272. Its totient is φ = 6622552759680.

The previous prime is 12503106505633. The next prime is 12503106505657. The reversal of 12503106505635 is 53650560130521.

It is not a de Polignac number, because 12503106505635 - 2¹ = 12503106505633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12503106505633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3415872 + ... + 6055938.

It is an arithmetic number, because the mean of its divisors is an integer number (629450292696).

Almost surely, 2^{12503106505635} is an apocalyptic number.

12503106505635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12503106505635 is a deficient number, since it is larger than the sum of its proper divisors (7639302860637).

12503106505635 is a wasteful number, since it uses less digits than its factorization.

12503106505635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642243.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 12503106505635 in words is "twelve trillion, five hundred three billion, one hundred six million, five hundred five thousand, six hundred thirty-five".