2055545212100 has 36 divisors (see below), whose sum is σ = 4463545270548. Its totient is φ = 821662848000.

The previous prime is 2055545212081. The next prime is 2055545212121. The reversal of 2055545212100 is 12125455502.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 144023286016 + 1911521926084 = 379504^2 + 1382578^2 .

It is a super-2 number, since 2×2055545212100² (a number of 25 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 6791621 + ... + 7087820.

Almost surely, 2^{2055545212100} is an apocalyptic number.

2055545212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055545212100 is an abundant number, since it is smaller than the sum of its proper divisors (2408000058448).

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

2055545212100 is a wasteful number, since it uses less digits than its factorization.

2055545212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880936 (or 13880929 counting only the distinct ones).

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

The spelling of 2055545212100 in words is "two trillion, fifty-five billion, five hundred forty-five million, two hundred twelve thousand, one hundred".