1001130237553 has 4 divisors (see below), whose sum is σ = 1013192047728. Its totient is φ = 989068427380.

The previous prime is 1001130237529. The next prime is 1001130237571. The reversal of 1001130237553 is 3557320311001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001130237553 is a prime.

It is a super-2 number, since 2×1001130237553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001130237353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030904963 + ... + 6030905128.

It is an arithmetic number, because the mean of its divisors is an integer number (253298011932).

Almost surely, 2^{1001130237553} is an apocalyptic number.

It is an amenable number.

1001130237553 is a deficient number, since it is larger than the sum of its proper divisors (12061810175).

1001130237553 is an equidigital number, since it uses as much as digits as its factorization.

1001130237553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061810174.

The product of its (nonzero) digits is 9450, while the sum is 31.

Adding to 1001130237553 its reverse (3557320311001), we get a palindrome (4558450548554).

The spelling of 1001130237553 in words is "one trillion, one billion, one hundred thirty million, two hundred thirty-seven thousand, five hundred fifty-three".