1057545520737 has 4 divisors (see below), whose sum is σ = 1410060694320. Its totient is φ = 705030347156.

The previous prime is 1057545520673. The next prime is 1057545520741. The reversal of 1057545520737 is 7370255457501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1057545520737 - 2⁶ = 1057545520673 is a prime.

It is a super-2 number, since 2×1057545520737² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057545520737.

It is not an unprimeable number, because it can be changed into a prime (1057545520777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176257586787 + ... + 176257586792.

It is an arithmetic number, because the mean of its divisors is an integer number (352515173580).

Almost surely, 2^{1057545520737} is an apocalyptic number.

It is an amenable number.

1057545520737 is a deficient number, since it is larger than the sum of its proper divisors (352515173583).

1057545520737 is an equidigital number, since it uses as much as digits as its factorization.

1057545520737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352515173582.

The product of its (nonzero) digits is 5145000, while the sum is 51.

The spelling of 1057545520737 in words is "one trillion, fifty-seven billion, five hundred forty-five million, five hundred twenty thousand, seven hundred thirty-seven".