2103520232045 has 8 divisors (see below), whose sum is σ = 2524232906496. Its totient is φ = 1682810433616.

The previous prime is 2103520231979. The next prime is 2103520232069. The reversal of 2103520232045 is 5402320253012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103520232045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103520231999 and 2103520232017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529084 + ... + 2558346.

It is an arithmetic number, because the mean of its divisors is an integer number (315529113312).

Almost surely, 2^{2103520232045} is an apocalyptic number.

It is an amenable number.

2103520232045 is a deficient number, since it is larger than the sum of its proper divisors (420712674451).

2103520232045 is a wasteful number, since it uses less digits than its factorization.

2103520232045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438011.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2103520232045 its reverse (5402320253012), we get a palindrome (7505840485057).

The spelling of 2103520232045 in words is "two trillion, one hundred three billion, five hundred twenty million, two hundred thirty-two thousand, forty-five".