1004021515055 has 8 divisors (see below), whose sum is σ = 1297504727232. Its totient is φ = 741431272608.

The previous prime is 1004021515031. The next prime is 1004021515061. The reversal of 1004021515055 is 5505151204001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004021515055 - 2¹² = 1004021510959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7723242359 + ... + 7723242488.

It is an arithmetic number, because the mean of its divisors is an integer number (162188090904).

Almost surely, 2^{1004021515055} is an apocalyptic number.

1004021515055 is a deficient number, since it is larger than the sum of its proper divisors (293483212177).

1004021515055 is a wasteful number, since it uses less digits than its factorization.

1004021515055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446484865.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 1004021515055 its reverse (5505151204001), we get a palindrome (6509172719056).

The spelling of 1004021515055 in words is "one trillion, four billion, twenty-one million, five hundred fifteen thousand, fifty-five".