1055551302503 has 2 divisors, whose sum is σ = 1055551302504. Its totient is φ = 1055551302502.

The previous prime is 1055551302499. The next prime is 1055551302523. The reversal of 1055551302503 is 3052031555501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055551302503 - 2² = 1055551302499 is a prime.

It is a super-2 number, since 2×1055551302503² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055551302523) 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 as a sum of consecutive naturals, namely, 527775651251 + 527775651252.

It is an arithmetic number, because the mean of its divisors is an integer number (527775651252).

Almost surely, 2^{1055551302503} is an apocalyptic number.

1055551302503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055551302503 is an equidigital number, since it uses as much as digits as its factorization.

1055551302503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56250, while the sum is 35.

The spelling of 1055551302503 in words is "one trillion, fifty-five billion, five hundred fifty-one million, three hundred two thousand, five hundred three".