127576513506 has 64 divisors (see below), whose sum is σ = 276849248256. Its totient is φ = 38959315200.

The previous prime is 127576513469. The next prime is 127576513541. The reversal of 127576513506 is 605315675721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11517951 + ... + 11529021.

It is an arithmetic number, because the mean of its divisors is an integer number (4325769504).

Almost surely, 2^127576513506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127576513506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138424624128).

127576513506 is an abundant number, since it is smaller than the sum of its proper divisors (149272734750).

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

127576513506 is a wasteful number, since it uses less digits than its factorization.

127576513506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187.

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 127576513506 in words is "one hundred twenty-seven billion, five hundred seventy-six million, five hundred thirteen thousand, five hundred six".