25103311543013 has 48 divisors (see below), whose sum is σ = 29240259310080. Its totient is φ = 21500166336000.

The previous prime is 25103311542983. The next prime is 25103311543031. The reversal of 25103311543013 is 31034511330152.

It is not a de Polignac number, because 25103311543013 - 2²² = 25103307348709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103311543073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71645633 + ... + 71995161.

It is an arithmetic number, because the mean of its divisors is an integer number (609172068960).

Almost surely, 2^{25103311543013} is an apocalyptic number.

It is an amenable number.

25103311543013 is a deficient number, since it is larger than the sum of its proper divisors (4136947767067).

25103311543013 is a wasteful number, since it uses less digits than its factorization.

25103311543013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350090 (or 350079 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 25103311543013 its reverse (31034511330152), we get a palindrome (56137822873165).

The spelling of 25103311543013 in words is "twenty-five trillion, one hundred three billion, three hundred eleven million, five hundred forty-three thousand, thirteen".