1001133510552 has 192 divisors, whose sum is σ = 3173866375680. Its totient is φ = 279116845056.

The previous prime is 1001133510527. The next prime is 1001133510569. The reversal of 1001133510552 is 2550153311001.

1001133510552 is a `hidden beast` number, since 10 + 0 + 1 + 133 + 510 + 5 + 5 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23015608 + ... + 23059064.

It is an arithmetic number, because the mean of its divisors is an integer number (16530554040).

Almost surely, 2^{1001133510552} is an apocalyptic number.

1001133510552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001133510552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586933187840).

1001133510552 is an abundant number, since it is smaller than the sum of its proper divisors (2172732865128).

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

1001133510552 is a wasteful number, since it uses less digits than its factorization.

1001133510552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44582 (or 44575 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 1001133510552 its reverse (2550153311001), we get a palindrome (3551286821553).

The spelling of 1001133510552 in words is "one trillion, one billion, one hundred thirty-three million, five hundred ten thousand, five hundred fifty-two".