1055510500001 has 2 divisors, whose sum is σ = 1055510500002. Its totient is φ = 1055510500000.

The previous prime is 1055510499943. The next prime is 1055510500027. The reversal of 1055510500001 is 1000050155501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006691155600 + 48819344401 = 1003340^2 + 220951^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055510500001 - 2³⁸ = 780632593057 is a prime.

It is a super-2 number, since 2×1055510500001² (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 1055510500001.

It is not a weakly prime, because it can be changed into another prime (1055510500601) 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 as a sum of consecutive naturals, namely, 527755250000 + 527755250001.

It is an arithmetic number, because the mean of its divisors is an integer number (527755250001).

Almost surely, 2^{1055510500001} is an apocalyptic number.

It is an amenable number.

1055510500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055510500001 is an equidigital number, since it uses as much as digits as its factorization.

1055510500001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 1055510500001 its reverse (1000050155501), we get a palindrome (2055560655502).

The spelling of 1055510500001 in words is "one trillion, fifty-five billion, five hundred ten million, five hundred thousand, one".