1055775578472 has 24 divisors (see below), whose sum is σ = 2859392191890. Its totient is φ = 351925192800.

The previous prime is 1055775578369. The next prime is 1055775578477. The reversal of 1055775578472 is 2748755775501.

1055775578472 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 7 + 7 + 557 + 8 + 4 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 846683383716 + 209092194756 = 920154^2 + 457266^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1055775578472² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055775578477) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7331774779 + ... + 7331774922.

Almost surely, 2^{1055775578472} is an apocalyptic number.

1055775578472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055775578472 is an abundant number, since it is smaller than the sum of its proper divisors (1803616613418).

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

1055775578472 is a wasteful number, since it uses less digits than its factorization.

1055775578472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663549713 (or 14663549706 counting only the distinct ones).

The product of its (nonzero) digits is 96040000, while the sum is 63.

The spelling of 1055775578472 in words is "one trillion, fifty-five billion, seven hundred seventy-five million, five hundred seventy-eight thousand, four hundred seventy-two".