12503545025205 has 32 divisors (see below), whose sum is σ = 21571602240384. Its totient is φ = 6147867868416.

The previous prime is 12503545025189. The next prime is 12503545025221. The reversal of 12503545025205 is 50252054530521.

It is an interprime number because it is at equal distance from previous prime (12503545025189) and next prime (12503545025221).

It is not a de Polignac number, because 12503545025205 - 2⁴ = 12503545025189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40070899 + ... + 40381728.

It is an arithmetic number, because the mean of its divisors is an integer number (674112570012).

Almost surely, 2^{12503545025205} is an apocalyptic number.

12503545025205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12503545025205 is a deficient number, since it is larger than the sum of its proper divisors (9068057215179).

12503545025205 is a wasteful number, since it uses less digits than its factorization.

12503545025205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80453445.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 12503545025205 its reverse (50252054530521), we get a palindrome (62755599555726).

The spelling of 12503545025205 in words is "twelve trillion, five hundred three billion, five hundred forty-five million, twenty-five thousand, two hundred five".