2116551613155 has 32 divisors (see below), whose sum is σ = 3870583104000. Its totient is φ = 967487127552.

The previous prime is 2116551613147. The next prime is 2116551613193. The reversal of 2116551613155 is 5513161556112.

It is a happy number.

It is not a de Polignac number, because 2116551613155 - 2³ = 2116551613147 is a prime.

It is a super-2 number, since 2×2116551613155² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470196 + ... + 2110494.

It is an arithmetic number, because the mean of its divisors is an integer number (120955722000).

Almost surely, 2^{2116551613155} is an apocalyptic number.

2116551613155 is a deficient number, since it is larger than the sum of its proper divisors (1754031490845).

2116551613155 is a wasteful number, since it uses less digits than its factorization.

2116551613155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652603.

The product of its digits is 135000, while the sum is 42.

The spelling of 2116551613155 in words is "two trillion, one hundred sixteen billion, five hundred fifty-one million, six hundred thirteen thousand, one hundred fifty-five".