127255744265497 has 8 divisors (see below), whose sum is σ = 127600774072200. Its totient is φ = 126910735109760.

The previous prime is 127255744265471. The next prime is 127255744265501. The reversal of 127255744265497 is 794562447552721.

It can be written as a sum of positive squares in 4 ways, for example, as 38717129291481 + 88538614974016 = 6222309^2 + 9409496^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127255744265497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127255744205497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7218597 + ... + 17510557.

It is an arithmetic number, because the mean of its divisors is an integer number (15950096759025).

Almost surely, 2^{127255744265497} is an apocalyptic number.

It is an amenable number.

127255744265497 is a deficient number, since it is larger than the sum of its proper divisors (345029806703).

127255744265497 is a wasteful number, since it uses less digits than its factorization.

127255744265497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325483.

The product of its digits is 1185408000, while the sum is 70.

The spelling of 127255744265497 in words is "one hundred twenty-seven trillion, two hundred fifty-five billion, seven hundred forty-four million, two hundred sixty-five thousand, four hundred ninety-seven".