551497888794131 has 2 divisors, whose sum is σ = 551497888794132. Its totient is φ = 551497888794130.

The previous prime is 551497888794121. The next prime is 551497888794169. The reversal of 551497888794131 is 131497888794155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551497888794131 is a prime.

It is a super-2 number, since 2×551497888794131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551497888794121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275748944397065 + 275748944397066.

It is an arithmetic number, because the mean of its divisors is an integer number (275748944397066).

Almost surely, 2^{551497888794131} is an apocalyptic number.

551497888794131 is a deficient number, since it is larger than the sum of its proper divisors (1).

551497888794131 is an equidigital number, since it uses as much as digits as its factorization.

551497888794131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2438553600, while the sum is 80.

The spelling of 551497888794131 in words is "five hundred fifty-one trillion, four hundred ninety-seven billion, eight hundred eighty-eight million, seven hundred ninety-four thousand, one hundred thirty-one".