1055510001003 has 16 divisors (see below), whose sum is σ = 1431244765440. Its totient is φ = 691725031584.

The previous prime is 1055510001001. The next prime is 1055510001061. The reversal of 1055510001003 is 3001000155501.

It is not a de Polignac number, because 1055510001003 - 2¹ = 1055510001001 is a prime.

It is a super-2 number, since 2×1055510001003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055510001001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7179450 + ... + 7324992.

It is an arithmetic number, because the mean of its divisors is an integer number (89452797840).

Almost surely, 2^{1055510001003} is an apocalyptic number.

1055510001003 is a deficient number, since it is larger than the sum of its proper divisors (375734764437).

1055510001003 is a wasteful number, since it uses less digits than its factorization.

1055510001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186578.

The product of its (nonzero) digits is 375, while the sum is 21.

Adding to 1055510001003 its reverse (3001000155501), we get a palindrome (4056510156504).

The spelling of 1055510001003 in words is "one trillion, fifty-five billion, five hundred ten million, one thousand, three".