1001153235504 has 80 divisors (see below), whose sum is σ = 2599312434944. Its totient is φ = 332041248000.

The previous prime is 1001153235493. The next prime is 1001153235539. The reversal of 1001153235504 is 4055323511001.

It is a super-2 number, since 2×1001153235504² (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 15 ways as a sum of consecutive naturals, for example, 41441829 + ... + 41465979.

Almost surely, 2^{1001153235504} is an apocalyptic number.

It is an amenable number.

1001153235504 is an abundant number, since it is smaller than the sum of its proper divisors (1598159199440).

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

1001153235504 is a wasteful number, since it uses less digits than its factorization.

1001153235504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28466 (or 28460 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1001153235504 its reverse (4055323511001), we get a palindrome (5056476746505).

The spelling of 1001153235504 in words is "one trillion, one billion, one hundred fifty-three million, two hundred thirty-five thousand, five hundred four".