1003420451155 has 16 divisors (see below), whose sum is σ = 1209954545280. Its totient is φ = 798839791488.

The previous prime is 1003420451069. The next prime is 1003420451171. The reversal of 1003420451155 is 5511540243001.

It is a cyclic number.

It is not a de Polignac number, because 1003420451155 - 2¹⁹ = 1003419926867 is a prime.

It is a super-2 number, since 2×1003420451155² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137254 + ... + 2564116.

It is an arithmetic number, because the mean of its divisors is an integer number (75622159080).

Almost surely, 2^{1003420451155} is an apocalyptic number.

1003420451155 is a deficient number, since it is larger than the sum of its proper divisors (206534094125).

1003420451155 is a wasteful number, since it uses less digits than its factorization.

1003420451155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429150.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1003420451155 its reverse (5511540243001), we get a palindrome (6514960694156).

The spelling of 1003420451155 in words is "one trillion, three billion, four hundred twenty million, four hundred fifty-one thousand, one hundred fifty-five".