2101833498655 has 64 divisors (see below), whose sum is σ = 2854652129280. Its totient is φ = 1471609036800.

The previous prime is 2101833498647. The next prime is 2101833498679. The reversal of 2101833498655 is 5568943381012.

It is not a de Polignac number, because 2101833498655 - 2³ = 2101833498647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 2101833498596 and 2101833498605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341309682 + ... + 1341311248.

It is an arithmetic number, because the mean of its divisors is an integer number (44603939520).

Almost surely, 2^{2101833498655} is an apocalyptic number.

2101833498655 is a deficient number, since it is larger than the sum of its proper divisors (752818630625).

2101833498655 is a wasteful number, since it uses less digits than its factorization.

2101833498655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 6220800, while the sum is 55.

It can be divided in two parts, 210183349 and 8655, that added together give a square (210192004 = 14498²).

The spelling of 2101833498655 in words is "two trillion, one hundred one billion, eight hundred thirty-three million, four hundred ninety-eight thousand, six hundred fifty-five".