1003420455015 has 128 divisors (see below), whose sum is σ = 1874182717440. Its totient is φ = 453634227200.

The previous prime is 1003420454983. The next prime is 1003420455071. The reversal of 1003420455015 is 5105540243001.

It is not a de Polignac number, because 1003420455015 - 2⁵ = 1003420454983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23959684 + ... + 24001526.

It is an arithmetic number, because the mean of its divisors is an integer number (14642052480).

Almost surely, 2^{1003420455015} is an apocalyptic number.

1003420455015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1003420455015 is a deficient number, since it is larger than the sum of its proper divisors (870762262425).

1003420455015 is a wasteful number, since it uses less digits than its factorization.

1003420455015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42045.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1003420455015 its reverse (5105540243001), we get a palindrome (6108960698016).

The spelling of 1003420455015 in words is "one trillion, three billion, four hundred twenty million, four hundred fifty-five thousand, fifteen".