1055444333021 has 8 divisors (see below), whose sum is σ = 1163065669920. Its totient is φ = 951599183472.

The previous prime is 1055444332979. The next prime is 1055444333063. The reversal of 1055444333021 is 1203334445501.

It is an interprime number because it is at equal distance from previous prime (1055444332979) and next prime (1055444333063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055444333021 - 2²² = 1055440138717 is a prime.

It is a super-2 number, since 2×1055444333021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055444333521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944046251 + ... + 944047368.

It is an arithmetic number, because the mean of its divisors is an integer number (145383208740).

Almost surely, 2^{1055444333021} is an apocalyptic number.

It is an amenable number.

1055444333021 is a deficient number, since it is larger than the sum of its proper divisors (107621336899).

1055444333021 is a wasteful number, since it uses less digits than its factorization.

1055444333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888093675.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1055444333021 its reverse (1203334445501), we get a palindrome (2258778778522).

The spelling of 1055444333021 in words is "one trillion, fifty-five billion, four hundred forty-four million, three hundred thirty-three thousand, twenty-one".