1005130645644 has 24 divisors (see below), whose sum is σ = 2426177421360. Its totient is φ = 323490322624.

The previous prime is 1005130645609. The next prime is 1005130645681. The reversal of 1005130645644 is 4465460315001.

It is a super-2 number, since 2×1005130645644² (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 7 ways as a sum of consecutive naturals, for example, 1444152879 + ... + 1444153574.

It is an arithmetic number, because the mean of its divisors is an integer number (101090725890).

Almost surely, 2^{1005130645644} is an apocalyptic number.

It is an amenable number.

1005130645644 is an abundant number, since it is smaller than the sum of its proper divisors (1421046775716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005130645644 is a wasteful number, since it uses less digits than its factorization.

1005130645644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888306489 (or 2888306487 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1005130645644 in words is "one trillion, five billion, one hundred thirty million, six hundred forty-five thousand, six hundred forty-four".