2115554555112 has 32 divisors (see below), whose sum is σ = 5296887768480. Its totient is φ = 704118000960.

The previous prime is 2115554555099. The next prime is 2115554555123.

2115554555112 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66661978 + ... + 66693705.

It is an arithmetic number, because the mean of its divisors is an integer number (165527742765).

Almost surely, 2^{2115554555112} is an apocalyptic number.

It is an amenable number.

2115554555112 is an abundant number, since it is smaller than the sum of its proper divisors (3181333213368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115554555112 is a wasteful number, since it uses less digits than its factorization.

2115554555112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133356353 (or 133356349 counting only the distinct ones).

The product of its digits is 250000, while the sum is 42.

The spelling of 2115554555112 in words is "two trillion, one hundred fifteen billion, five hundred fifty-four million, five hundred fifty-five thousand, one hundred twelve".