18103012842541 has 16 divisors (see below), whose sum is σ = 20412307238400. Its totient is φ = 15905693491200.

The previous prime is 18103012842487. The next prime is 18103012842589. The reversal of 18103012842541 is 14524821030181.

It is a cyclic number.

It is not a de Polignac number, because 18103012842541 - 2¹⁵ = 18103012809773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18103012842494 and 18103012842503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18103012848541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34255336 + ... + 34779793.

It is an arithmetic number, because the mean of its divisors is an integer number (1275769202400).

Almost surely, 2^{18103012842541} is an apocalyptic number.

18103012842541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18103012842541 is a deficient number, since it is larger than the sum of its proper divisors (2309294395859).

18103012842541 is a wasteful number, since it uses less digits than its factorization.

18103012842541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69035940.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 18103012842541 in words is "eighteen trillion, one hundred three billion, twelve million, eight hundred forty-two thousand, five hundred forty-one".