127581652017712 has 40 divisors (see below), whose sum is σ = 249662602838592. Its totient is φ = 63153372052800.

The previous prime is 127581652017623. The next prime is 127581652017713. The reversal of 127581652017712 is 217710256185721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (127581652017713) 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, 21716614 + ... + 26958757.

Almost surely, 2^{127581652017712} is an apocalyptic number.

It is an amenable number.

127581652017712 is a deficient number, since it is larger than the sum of its proper divisors (122080950820880).

127581652017712 is a wasteful number, since it uses less digits than its factorization.

127581652017712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48677017 (or 48677011 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 55.

The spelling of 127581652017712 in words is "one hundred twenty-seven trillion, five hundred eighty-one billion, six hundred fifty-two million, seventeen thousand, seven hundred twelve".