25348377157 has 2 divisors, whose sum is σ = 25348377158. Its totient is φ = 25348377156.

The previous prime is 25348377113. The next prime is 25348377169. The reversal of 25348377157 is 75177384352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23502729636 + 1845647521 = 153306^2 + 42961^2 .

It is a cyclic number.

It is not a de Polignac number, because 25348377157 - 2⁷ = 25348377029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25348371157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12674188578 + 12674188579.

It is an arithmetic number, because the mean of its divisors is an integer number (12674188579).

Almost surely, 2^25348377157 is an apocalyptic number.

It is an amenable number.

25348377157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25348377157 is an equidigital number, since it uses as much as digits as its factorization.

25348377157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 52.

The spelling of 25348377157 in words is "twenty-five billion, three hundred forty-eight million, three hundred seventy-seven thousand, one hundred fifty-seven".