1055550055512 has 64 divisors (see below), whose sum is σ = 2794337481600. Its totient is φ = 331125178880.

The previous prime is 1055550055447. The next prime is 1055550055541. The reversal of 1055550055512 is 2155500555501.

It is a super-2 number, since 2×1055550055512² (a number of 25 digits) contains 22 as substring.

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, 5062687 + ... + 5267057.

It is an arithmetic number, because the mean of its divisors is an integer number (43661523150).

Almost surely, 2^{1055550055512} is an apocalyptic number.

1055550055512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055550055512 is an abundant number, since it is smaller than the sum of its proper divisors (1738787426088).

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

1055550055512 is a wasteful number, since it uses less digits than its factorization.

1055550055512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217056 (or 217052 counting only the distinct ones).

The product of its (nonzero) digits is 156250, while the sum is 39.

The spelling of 1055550055512 in words is "one trillion, fifty-five billion, five hundred fifty million, fifty-five thousand, five hundred twelve".