2103505245555 has 16 divisors (see below), whose sum is σ = 3846409592064. Its totient is φ = 961602397920.

The previous prime is 2103505245547. The next prime is 2103505245659. The reversal of 2103505245555 is 5555425053012.

It is not a de Polignac number, because 2103505245555 - 2³ = 2103505245547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10016691541 + ... + 10016691750.

It is an arithmetic number, because the mean of its divisors is an integer number (240400599504).

Almost surely, 2^{2103505245555} is an apocalyptic number.

2103505245555 is a deficient number, since it is larger than the sum of its proper divisors (1742904346509).

2103505245555 is a wasteful number, since it uses less digits than its factorization.

2103505245555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033383306.

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 2103505245555 in words is "two trillion, one hundred three billion, five hundred five million, two hundred forty-five thousand, five hundred fifty-five".