1005011020552 has 64 divisors (see below), whose sum is σ = 2379115468800. Its totient is φ = 386606226240.

The previous prime is 1005011020529. The next prime is 1005011020609. The reversal of 1005011020552 is 2550201105001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 10277358 + ... + 10374685.

It is an arithmetic number, because the mean of its divisors is an integer number (37173679200).

Almost surely, 2^{1005011020552} is an apocalyptic number.

It is an amenable number.

1005011020552 is an abundant number, since it is smaller than the sum of its proper divisors (1374104448248).

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

1005011020552 is a wasteful number, since it uses less digits than its factorization.

1005011020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652146 (or 20652142 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 1005011020552 its reverse (2550201105001), we get a palindrome (3555212125553).

The spelling of 1005011020552 in words is "one trillion, five billion, eleven million, twenty thousand, five hundred fifty-two".