127525261664 has 24 divisors (see below), whose sum is σ = 259722786960. Its totient is φ = 61563918976.

The previous prime is 127525261651. The next prime is 127525261679. The reversal of 127525261664 is 466162525721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68708804 + ... + 68710659.

It is an arithmetic number, because the mean of its divisors is an integer number (10821782790).

Almost surely, 2^127525261664 is an apocalyptic number.

It is an amenable number.

127525261664 is an abundant number, since it is smaller than the sum of its proper divisors (132197525296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127525261664 is a wasteful number, since it uses less digits than its factorization.

127525261664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137419502 (or 137419494 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 127525261664 in words is "one hundred twenty-seven billion, five hundred twenty-five million, two hundred sixty-one thousand, six hundred sixty-four".