551335142131 has 4 divisors (see below), whose sum is σ = 551457042552. Its totient is φ = 551213241712.

The previous prime is 551335142093. The next prime is 551335142143. The reversal of 551335142131 is 131241533155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131241533155 = 5 ⋅26248306631.

It is a cyclic number.

It is not a de Polignac number, because 551335142131 - 2³³ = 542745207539 is a prime.

It is a super-2 number, since 2×551335142131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551335142431) 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, 60943426 + ... + 60952471.

It is an arithmetic number, because the mean of its divisors is an integer number (137864260638).

Almost surely, 2^551335142131 is an apocalyptic number.

551335142131 is a deficient number, since it is larger than the sum of its proper divisors (121900421).

551335142131 is a wasteful number, since it uses less digits than its factorization.

551335142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121900420.

The product of its digits is 27000, while the sum is 34.

Adding to 551335142131 its reverse (131241533155), we get a palindrome (682576675286).

The spelling of 551335142131 in words is "five hundred fifty-one billion, three hundred thirty-five million, one hundred forty-two thousand, one hundred thirty-one".