25059869081 has 12 divisors (see below), whose sum is σ = 27167436288. Its totient is φ = 23105247984.

The previous prime is 25059869077. The next prime is 25059869119. The reversal of 25059869081 is 18096895052.

It is not a de Polignac number, because 25059869081 - 2² = 25059869077 is a prime.

It is a super-2 number, since 2×25059869081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25059869381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59936 + ... + 231758.

It is an arithmetic number, because the mean of its divisors is an integer number (2263953024).

Almost surely, 2^25059869081 is an apocalyptic number.

It is an amenable number.

25059869081 is a deficient number, since it is larger than the sum of its proper divisors (2107567207).

25059869081 is a wasteful number, since it uses less digits than its factorization.

25059869081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172712 (or 172699 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 25059869081 in words is "twenty-five billion, fifty-nine million, eight hundred sixty-nine thousand, eighty-one".