551251403133 has 8 divisors (see below), whose sum is σ = 736756053600. Its totient is φ = 366623844048.

The previous prime is 551251403119. The next prime is 551251403147. The reversal of 551251403133 is 331304152155.

It is an interprime number because it is at equal distance from previous prime (551251403119) and next prime (551251403147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-551251403133 is a prime.

It is a super-2 number, since 2×551251403133² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551251403094 and 551251403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551251403933) 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 7 ways as a sum of consecutive naturals, for example, 219271378 + ... + 219273891.

It is an arithmetic number, because the mean of its divisors is an integer number (92094506700).

Almost surely, 2^551251403133 is an apocalyptic number.

It is an amenable number.

551251403133 is a deficient number, since it is larger than the sum of its proper divisors (185504650467).

551251403133 is a wasteful number, since it uses less digits than its factorization.

551251403133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438545691.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 551251403133 its reverse (331304152155), we get a palindrome (882555555288).

The spelling of 551251403133 in words is "five hundred fifty-one billion, two hundred fifty-one million, four hundred three thousand, one hundred thirty-three".