1057243381481 has 8 divisors (see below), whose sum is σ = 1271871737280. Its totient is φ = 858513422448.

The previous prime is 1057243381477. The next prime is 1057243381507. The reversal of 1057243381481 is 1841833427501.

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 1057243381481 - 2² = 1057243381477 is a prime.

It is a super-2 number, since 2×1057243381481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057243381781) 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, 3974599046 + ... + 3974599311.

It is an arithmetic number, because the mean of its divisors is an integer number (158983967160).

Almost surely, 2^{1057243381481} is an apocalyptic number.

It is an amenable number.

1057243381481 is a deficient number, since it is larger than the sum of its proper divisors (214628355799).

1057243381481 is an equidigital number, since it uses as much as digits as its factorization.

1057243381481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949198383.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 1057243381481 in words is "one trillion, fifty-seven billion, two hundred forty-three million, three hundred eighty-one thousand, four hundred eighty-one".