553115515449971 has 2 divisors, whose sum is σ = 553115515449972. Its totient is φ = 553115515449970.

The previous prime is 553115515449953. The next prime is 553115515450021. The reversal of 553115515449971 is 179944515511355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553115515449971 - 2³⁴ = 553098335580787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553115515449898 and 553115515449907.

It is not a weakly prime, because it can be changed into another prime (553115515449911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276557757724985 + 276557757724986.

It is an arithmetic number, because the mean of its divisors is an integer number (276557757724986).

Almost surely, 2^{553115515449971} is an apocalyptic number.

553115515449971 is a deficient number, since it is larger than the sum of its proper divisors (1).

553115515449971 is an equidigital number, since it uses as much as digits as its factorization.

553115515449971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050000, while the sum is 65.

The spelling of 553115515449971 in words is "five hundred fifty-three trillion, one hundred fifteen billion, five hundred fifteen million, four hundred forty-nine thousand, nine hundred seventy-one".