2103500540145 has 8 divisors (see below), whose sum is σ = 3365600864256. Its totient is φ = 1121866954736.

The previous prime is 2103500540111. The next prime is 2103500540149. The reversal of 2103500540145 is 5410450053012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103500540145 - 2¹⁸ = 2103500278001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103500540149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70116684657 + ... + 70116684686.

It is an arithmetic number, because the mean of its divisors is an integer number (420700108032).

Almost surely, 2^{2103500540145} is an apocalyptic number.

It is an amenable number.

2103500540145 is a deficient number, since it is larger than the sum of its proper divisors (1262100324111).

2103500540145 is a wasteful number, since it uses less digits than its factorization.

2103500540145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140233369351.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 2103500540145 its reverse (5410450053012), we get a palindrome (7513950593157).

The spelling of 2103500540145 in words is "two trillion, one hundred three billion, five hundred million, five hundred forty thousand, one hundred forty-five".