955457448402551 has 2 divisors, whose sum is σ = 955457448402552. Its totient is φ = 955457448402550.

The previous prime is 955457448402449. The next prime is 955457448402631. The reversal of 955457448402551 is 155204844754559.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 955457448402551 - 2¹⁰ = 955457448401527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (955457448402251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477728724201275 + 477728724201276.

It is an arithmetic number, because the mean of its divisors is an integer number (477728724201276).

Almost surely, 2^{955457448402551} is an apocalyptic number.

955457448402551 is a deficient number, since it is larger than the sum of its proper divisors (1).

955457448402551 is an equidigital number, since it uses as much as digits as its factorization.

955457448402551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400000, while the sum is 68.

The spelling of 955457448402551 in words is "nine hundred fifty-five trillion, four hundred fifty-seven billion, four hundred forty-eight million, four hundred two thousand, five hundred fifty-one".