25848834081 has 8 divisors (see below), whose sum is σ = 39388699584. Its totient is φ = 14770762320.

The previous prime is 25848834079. The next prime is 25848834091. The reversal of 25848834081 is 18043884852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25848834081 - 2¹ = 25848834079 is a prime.

It is a super-2 number, since 2×25848834081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25848834001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615448410 + ... + 615448451.

It is an arithmetic number, because the mean of its divisors is an integer number (4923587448).

Almost surely, 2^25848834081 is an apocalyptic number.

25848834081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25848834081 is a deficient number, since it is larger than the sum of its proper divisors (13539865503).

25848834081 is a wasteful number, since it uses less digits than its factorization.

25848834081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230896871.

The product of its (nonzero) digits is 1966080, while the sum is 51.

The spelling of 25848834081 in words is "twenty-five billion, eight hundred forty-eight million, eight hundred thirty-four thousand, eighty-one".