25432231205 has 16 divisors (see below), whose sum is σ = 31510715904. Its totient is φ = 19684741440.

The previous prime is 25432231171. The next prime is 25432231229. The reversal of 25432231205 is 50213223452.

It is not a de Polignac number, because 25432231205 - 2⁶ = 25432231141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716282 + ... + 750948.

It is an arithmetic number, because the mean of its divisors is an integer number (1969419744).

Almost surely, 2^25432231205 is an apocalyptic number.

It is an amenable number.

25432231205 is a deficient number, since it is larger than the sum of its proper divisors (6078484699).

25432231205 is a wasteful number, since it uses less digits than its factorization.

25432231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39436.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25432231205 its reverse (50213223452), we get a palindrome (75645454657).

The spelling of 25432231205 in words is "twenty-five billion, four hundred thirty-two million, two hundred thirty-one thousand, two hundred five".