1005421452524 has 12 divisors (see below), whose sum is σ = 1761584672400. Its totient is φ = 502111546128.

The previous prime is 1005421452523. The next prime is 1005421452551. The reversal of 1005421452524 is 4252541245001.

It is not an unprimeable number, because it can be changed into a prime (1005421452523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149791259 + ... + 149797970.

It is an arithmetic number, because the mean of its divisors is an integer number (146798722700).

Almost surely, 2^{1005421452524} is an apocalyptic number.

It is an amenable number.

1005421452524 is a deficient number, since it is larger than the sum of its proper divisors (756163219876).

1005421452524 is a wasteful number, since it uses less digits than its factorization.

1005421452524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299590072 (or 299590070 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1005421452524 its reverse (4252541245001), we get a palindrome (5257962697525).

The spelling of 1005421452524 in words is "one trillion, five billion, four hundred twenty-one million, four hundred fifty-two thousand, five hundred twenty-four".