25152399475871 has 2 divisors, whose sum is σ = 25152399475872. Its totient is φ = 25152399475870.

The previous prime is 25152399475823. The next prime is 25152399475939. The reversal of 25152399475871 is 17857499325152.

It is an a-pointer prime, because the next prime (25152399475939) can be obtained adding 25152399475871 to its sum of digits (68).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25152399475871 - 2³⁰ = 25151325734047 is a prime.

It is a super-2 number, since 2×25152399475871² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25152399474871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576199737935 + 12576199737936.

It is an arithmetic number, because the mean of its divisors is an integer number (12576199737936).

Almost surely, 2^{25152399475871} is an apocalyptic number.

25152399475871 is a deficient number, since it is larger than the sum of its proper divisors (1).

25152399475871 is an equidigital number, since it uses as much as digits as its factorization.

25152399475871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512000, while the sum is 68.

The spelling of 25152399475871 in words is "twenty-five trillion, one hundred fifty-two billion, three hundred ninety-nine million, four hundred seventy-five thousand, eight hundred seventy-one".