2155565243110 has 16 divisors (see below), whose sum is σ = 3881407676832. Its totient is φ = 861917155200.

The previous prime is 2155565243099. The next prime is 2155565243129. The reversal of 2155565243110 is 113425655512.

It is a super-3 number, since 3×2155565243110³ (a number of 38 digits) contains 333 as substring.

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, 38588451 + ... + 38644270.

It is an arithmetic number, because the mean of its divisors is an integer number (242587979802).

Almost surely, 2^{2155565243110} is an apocalyptic number.

2155565243110 is a deficient number, since it is larger than the sum of its proper divisors (1725842433722).

2155565243110 is a wasteful number, since it uses less digits than its factorization.

2155565243110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77235519.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 2155565243110 in words is "two trillion, one hundred fifty-five billion, five hundred sixty-five million, two hundred forty-three thousand, one hundred ten".