1056451857337 has 4 divisors (see below), whose sum is σ = 1085004610276. Its totient is φ = 1027899104400.

The previous prime is 1056451857287. The next prime is 1056451857343. The reversal of 1056451857337 is 7337581546501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026389845881 + 30062011456 = 1013109^2 + 173384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056451857337 - 2³⁹ = 506696043449 is a prime.

It is a super-2 number, since 2×1056451857337² (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 (1056451857367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14276376414 + ... + 14276376487.

It is an arithmetic number, because the mean of its divisors is an integer number (271251152569).

Almost surely, 2^{1056451857337} is an apocalyptic number.

It is an amenable number.

1056451857337 is a deficient number, since it is larger than the sum of its proper divisors (28552752939).

1056451857337 is an equidigital number, since it uses as much as digits as its factorization.

1056451857337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552752938.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 1056451857337 in words is "one trillion, fifty-six billion, four hundred fifty-one million, eight hundred fifty-seven thousand, three hundred thirty-seven".