25127127253 has 12 divisors (see below), whose sum is σ = 26967345412. Its totient is φ = 23405230080.

The previous prime is 25127127251. The next prime is 25127127257. The reversal of 25127127253 is 35272172152.

It can be written as a sum of positive squares in 6 ways, for example, as 963357444 + 24163769809 = 31038^2 + 155447^2 .

It is not a de Polignac number, because 25127127253 - 2¹ = 25127127251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25127127251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420138 + ... + 476203.

Almost surely, 2^25127127253 is an apocalyptic number.

It is an amenable number.

25127127253 is a deficient number, since it is larger than the sum of its proper divisors (1840218159).

25127127253 is an equidigital number, since it uses as much as digits as its factorization.

25127127253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896472 (or 896455 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The spelling of 25127127253 in words is "twenty-five billion, one hundred twenty-seven million, one hundred twenty-seven thousand, two hundred fifty-three".