25122433205 has 8 divisors (see below), whose sum is σ = 30258991800. Its totient is φ = 20023231936.

The previous prime is 25122433199. The next prime is 25122433211. The reversal of 25122433205 is 50233422152.

It is an interprime number because it is at equal distance from previous prime (25122433199) and next prime (25122433211).

It can be written as a sum of positive squares in 4 ways, for example, as 152744881 + 24969688324 = 12359^2 + 158018^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25122433205 - 2⁸ = 25122432949 is a prime.

It is a super-2 number, since 2×25122433205² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9337850 + ... + 9340539.

It is an arithmetic number, because the mean of its divisors is an integer number (3782373975).

Almost surely, 2^25122433205 is an apocalyptic number.

It is an amenable number.

25122433205 is a deficient number, since it is larger than the sum of its proper divisors (5136558595).

25122433205 is a wasteful number, since it uses less digits than its factorization.

25122433205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678663.

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

Adding to 25122433205 its reverse (50233422152), we get a palindrome (75355855357).

The spelling of 25122433205 in words is "twenty-five billion, one hundred twenty-two million, four hundred thirty-three thousand, two hundred five".