2011165050655 has 16 divisors (see below), whose sum is σ = 2429113269024. Its totient is φ = 1598488980480.

The previous prime is 2011165050607. The next prime is 2011165050689. The reversal of 2011165050655 is 5560505611102.

It is a de Polignac number, because none of the positive numbers 2^k-2011165050655 is a prime.

It is a super-2 number, since 2×2011165050655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1631926 + ... + 2585635.

It is an arithmetic number, because the mean of its divisors is an integer number (151819579314).

Almost surely, 2^{2011165050655} is an apocalyptic number.

2011165050655 is a deficient number, since it is larger than the sum of its proper divisors (417948218369).

2011165050655 is a wasteful number, since it uses less digits than its factorization.

2011165050655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218186.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 2011165050655 in words is "two trillion, eleven billion, one hundred sixty-five million, fifty thousand, six hundred fifty-five".