1056501758203 has 2 divisors, whose sum is σ = 1056501758204. Its totient is φ = 1056501758202.

The previous prime is 1056501758189. The next prime is 1056501758339. The reversal of 1056501758203 is 3028571056501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3028571056501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1056501758203 - 2¹³ = 1056501750011 is a prime.

It is a super-2 number, since 2×1056501758203² (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 1056501758203.

It is not a weakly prime, because it can be changed into another prime (1056501798203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528250879101 + 528250879102.

It is an arithmetic number, because the mean of its divisors is an integer number (528250879102).

Almost surely, 2^{1056501758203} is an apocalyptic number.

1056501758203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056501758203 is an equidigital number, since it uses as much as digits as its factorization.

1056501758203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 1056501758203 in words is "one trillion, fifty-six billion, five hundred one million, seven hundred fifty-eight thousand, two hundred three".