2115333014661 has 24 divisors (see below), whose sum is σ = 3070425976800. Its totient is φ = 1403326360800.

The previous prime is 2115333014647. The next prime is 2115333014701. The reversal of 2115333014661 is 1664103335112.

2115333014661 is a `hidden beast` number, since 21 + 1 + 533 + 3 + 0 + 1 + 46 + 61 = 666.

It is not a de Polignac number, because 2115333014661 - 2⁹ = 2115333014149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115333016661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13020471 + ... + 13181931.

It is an arithmetic number, because the mean of its divisors is an integer number (127934415700).

Almost surely, 2^{2115333014661} is an apocalyptic number.

It is an amenable number.

2115333014661 is a deficient number, since it is larger than the sum of its proper divisors (955092962139).

2115333014661 is a wasteful number, since it uses less digits than its factorization.

2115333014661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168577 (or 168574 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 2115333014661 its reverse (1664103335112), we get a palindrome (3779436349773).

The spelling of 2115333014661 in words is "two trillion, one hundred fifteen billion, three hundred thirty-three million, fourteen thousand, six hundred sixty-one".