2115605055 has 32 divisors (see below), whose sum is σ = 3483748800. Its totient is φ = 1095524352.

The previous prime is 2115605053. The next prime is 2115605057. The reversal of 2115605055 is 5505065112.

It is an interprime number because it is at equal distance from previous prime (2115605053) and next prime (2115605057).

It is not a de Polignac number, because 2115605055 - 2¹ = 2115605053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115605053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278751 + ... + 286239.

It is an arithmetic number, because the mean of its divisors is an integer number (108867150).

Almost surely, 2^2115605055 is an apocalyptic number.

2115605055 is a deficient number, since it is larger than the sum of its proper divisors (1368143745).

2115605055 is a wasteful number, since it uses less digits than its factorization.

2115605055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 2115605055 is about 45995.7069192332. The cubic root of 2115605055 is about 1283.7433257232.

The spelling of 2115605055 in words is "two billion, one hundred fifteen million, six hundred five thousand, fifty-five".