127765276525 has 6 divisors (see below), whose sum is σ = 158428942922. Its totient is φ = 102212221200.

The previous prime is 127765276519. The next prime is 127765276531. The reversal of 127765276525 is 525672567721.

It is an interprime number because it is at equal distance from previous prime (127765276519) and next prime (127765276531).

It can be written as a sum of positive squares in 3 ways, for example, as 3454030441 + 124311246084 = 58771^2 + 352578^2 .

It is not a de Polignac number, because 127765276525 - 2⁵ = 127765276493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2555305506 + ... + 2555305555.

Almost surely, 2^127765276525 is an apocalyptic number.

It is an amenable number.

127765276525 is a deficient number, since it is larger than the sum of its proper divisors (30663666397).

127765276525 is an equidigital number, since it uses as much as digits as its factorization.

127765276525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110611071 (or 5110611066 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 55.

The spelling of 127765276525 in words is "one hundred twenty-seven billion, seven hundred sixty-five million, two hundred seventy-six thousand, five hundred twenty-five".