2155065116 has 12 divisors (see below), whose sum is σ = 3772053432. Its totient is φ = 1077335568.

The previous prime is 2155065091. The next prime is 2155065131. The reversal of 2155065116 is 6115605512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23090 + ... + 69593.

It is an arithmetic number, because the mean of its divisors is an integer number (314337786).

Almost surely, 2^2155065116 is an apocalyptic number.

It is an amenable number.

2155065116 is a deficient number, since it is larger than the sum of its proper divisors (1616988316).

2155065116 is a wasteful number, since it uses less digits than its factorization.

2155065116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98500 (or 98498 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 2155065116 is about 46422.6788972804. The cubic root of 2155065116 is about 1291.6756295422.

The spelling of 2155065116 in words is "two billion, one hundred fifty-five million, sixty-five thousand, one hundred sixteen".