2188385035505 has 16 divisors (see below), whose sum is σ = 2629940227200. Its totient is φ = 1748123843712.

The previous prime is 2188385035489. The next prime is 2188385035523. The reversal of 2188385035505 is 5055305838812.

It is a cyclic number.

It is not a de Polignac number, because 2188385035505 - 2⁴ = 2188385035489 is a prime.

It is a super-2 number, since 2×2188385035505² (a number of 25 digits) contains 22 as substring.

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, 14058812 + ... + 14213618.

It is an arithmetic number, because the mean of its divisors is an integer number (164371264200).

Almost surely, 2^{2188385035505} is an apocalyptic number.

It is an amenable number.

2188385035505 is a deficient number, since it is larger than the sum of its proper divisors (441555191695).

2188385035505 is a wasteful number, since it uses less digits than its factorization.

2188385035505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158968.

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 2188385035505 in words is "two trillion, one hundred eighty-eight billion, three hundred eighty-five million, thirty-five thousand, five hundred five".