1055415403503 has 32 divisors (see below), whose sum is σ = 1588850507520. Its totient is φ = 692263424160.

The previous prime is 1055415403477. The next prime is 1055415403513. The reversal of 1055415403503 is 3053045145501.

1055415403503 is a `hidden beast` number, since 1 + 0 + 554 + 1 + 54 + 0 + 3 + 50 + 3 = 666.

It is not a de Polignac number, because 1055415403503 - 2¹⁸ = 1055415141359 is a prime.

It is a super-2 number, since 2×1055415403503² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055415403513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129876 + ... + 1840502.

It is an arithmetic number, because the mean of its divisors is an integer number (49651578360).

Almost surely, 2^{1055415403503} is an apocalyptic number.

1055415403503 is a deficient number, since it is larger than the sum of its proper divisors (533435104017).

1055415403503 is an equidigital number, since it uses as much as digits as its factorization.

1055415403503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711524 (or 711518 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1055415403503 in words is "one trillion, fifty-five billion, four hundred fifteen million, four hundred three thousand, five hundred three".