25385281701 has 32 divisors (see below), whose sum is σ = 36758561280. Its totient is φ = 15490289664.

The previous prime is 25385281693. The next prime is 25385281703. The reversal of 25385281701 is 10718258352.

It is not a de Polignac number, because 25385281701 - 2³ = 25385281693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385281703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2380740 + ... + 2391378.

It is an arithmetic number, because the mean of its divisors is an integer number (1148705040).

Almost surely, 2^25385281701 is an apocalyptic number.

It is an amenable number.

25385281701 is a deficient number, since it is larger than the sum of its proper divisors (11373279579).

25385281701 is a wasteful number, since it uses less digits than its factorization.

25385281701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 25385281701 in words is "twenty-five billion, three hundred eighty-five million, two hundred eighty-one thousand, seven hundred one".