2115420052055 has 16 divisors (see below), whose sum is σ = 2541017892000. Its totient is φ = 1690660477440.

The previous prime is 2115420052043. The next prime is 2115420052103. The reversal of 2115420052055 is 5502500245112.

It is a happy number.

It is not a de Polignac number, because 2115420052055 - 2⁶ = 2115420051991 is a prime.

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, 94254635 + ... + 94277075.

It is an arithmetic number, because the mean of its divisors is an integer number (158813618250).

Almost surely, 2^{2115420052055} is an apocalyptic number.

2115420052055 is a deficient number, since it is larger than the sum of its proper divisors (425597839945).

2115420052055 is a wasteful number, since it uses less digits than its factorization.

2115420052055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40274.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 2115420052055 its reverse (5502500245112), we get a palindrome (7617920297167).

The spelling of 2115420052055 in words is "two trillion, one hundred fifteen billion, four hundred twenty million, fifty-two thousand, fifty-five".