127544416025 has 12 divisors (see below), whose sum is σ = 170320851372. Its totient is φ = 94186645440.

The previous prime is 127544415989. The next prime is 127544416061. The reversal of 127544416025 is 520614445721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (127544415989) and next prime (127544416061).

It can be written as a sum of positive squares in 6 ways, for example, as 32102963929 + 95441452096 = 179173^2 + 308936^2 .

It is not a de Polignac number, because 127544416025 - 2²⁰ = 127543367449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196221854 + ... + 196222503.

It is an arithmetic number, because the mean of its divisors is an integer number (14193404281).

Almost surely, 2^127544416025 is an apocalyptic number.

It is an amenable number.

127544416025 is a deficient number, since it is larger than the sum of its proper divisors (42776435347).

127544416025 is a wasteful number, since it uses less digits than its factorization.

127544416025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392444380 (or 392444375 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 127544416025 in words is "one hundred twenty-seven billion, five hundred forty-four million, four hundred sixteen thousand, twenty-five".