2155649111114 has 8 divisors (see below), whose sum is σ = 3294482603940. Its totient is φ = 1057488243136.

The previous prime is 2155649111107. The next prime is 2155649111117. The reversal of 2155649111114 is 4111119465512.

It can be written as a sum of positive squares in 2 ways, for example, as 2151135555625 + 4513555489 = 1466675^2 + 67183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2155649111117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10168156079 + ... + 10168156290.

Almost surely, 2^{2155649111114} is an apocalyptic number.

2155649111114 is a deficient number, since it is larger than the sum of its proper divisors (1138833492826).

2155649111114 is a wasteful number, since it uses less digits than its factorization.

2155649111114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336312424.

The product of its digits is 43200, while the sum is 41.

The spelling of 2155649111114 in words is "two trillion, one hundred fifty-five billion, six hundred forty-nine million, one hundred eleven thousand, one hundred fourteen".