1055322379872 has 72 divisors (see below), whose sum is σ = 3001320241920. Its totient is φ = 351745148160.

The previous prime is 1055322379841. The next prime is 1055322379873. The reversal of 1055322379872 is 2789732235501.

1055322379872 is a `hidden beast` number, since 1 + 0 + 5 + 532 + 2 + 37 + 9 + 8 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1055322379872² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055322379873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3504654 + ... + 3793842.

It is an arithmetic number, because the mean of its divisors is an integer number (41685003360).

Almost surely, 2^{1055322379872} is an apocalyptic number.

1055322379872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055322379872 is an abundant number, since it is smaller than the sum of its proper divisors (1945997862048).

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

1055322379872 is a wasteful number, since it uses less digits than its factorization.

1055322379872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301876 (or 301865 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 1055322379872 in words is "one trillion, fifty-five billion, three hundred twenty-two million, three hundred seventy-nine thousand, eight hundred seventy-two".