2154554512 has 20 divisors (see below), whose sum is σ = 4553945136. Its totient is φ = 979342880.

The previous prime is 2154554497. The next prime is 2154554539.

2154554512 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120718 + ... + 6121069.

Almost surely, 2^2154554512 is an apocalyptic number.

2154554512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154554512 is an abundant number, since it is smaller than the sum of its proper divisors (2399390624).

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

2154554512 is a wasteful number, since it uses less digits than its factorization.

2154554512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241806 (or 12241800 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 2154554512 is about 46417.1790612053. The cubic root of 2154554512 is about 1291.5736083653.

The spelling of 2154554512 in words is "two billion, one hundred fifty-four million, five hundred fifty-four thousand, five hundred twelve".