553125131021 has 12 divisors (see below), whose sum is σ = 587610112992. Its totient is φ = 520557985728.

The previous prime is 553125130969. The next prime is 553125131051. The reversal of 553125131021 is 120131521355.

It is not a de Polignac number, because 553125131021 - 2²⁶ = 553058022157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553125131051) 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 11 ways as a sum of consecutive naturals, for example, 6065066 + ... + 6155588.

It is an arithmetic number, because the mean of its divisors is an integer number (48967509416).

Almost surely, 2^553125131021 is an apocalyptic number.

It is an amenable number.

553125131021 is a deficient number, since it is larger than the sum of its proper divisors (34484981971).

553125131021 is a wasteful number, since it uses less digits than its factorization.

553125131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111700 (or 111683 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 553125131021 its reverse (120131521355), we get a palindrome (673256652376).

The spelling of 553125131021 in words is "five hundred fifty-three billion, one hundred twenty-five million, one hundred thirty-one thousand, twenty-one".