1002541111103 has 32 divisors (see below), whose sum is σ = 1269639705600. Its totient is φ = 771806762496.

The previous prime is 1002541111093. The next prime is 1002541111153. The reversal of 1002541111103 is 3011111452001.

It is not a de Polignac number, because 1002541111103 - 2¹⁴ = 1002541094719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002541111153) 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, 1104488 + ... + 1795821.

It is an arithmetic number, because the mean of its divisors is an integer number (39676240800).

Almost surely, 2^{1002541111103} is an apocalyptic number.

1002541111103 is a deficient number, since it is larger than the sum of its proper divisors (267098594497).

1002541111103 is a wasteful number, since it uses less digits than its factorization.

1002541111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900471.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 1002541111103 its reverse (3011111452001), we get a palindrome (4013652563104).

The spelling of 1002541111103 in words is "one trillion, two billion, five hundred forty-one million, one hundred eleven thousand, one hundred three".