25261271210 has 128 divisors (see below), whose sum is σ = 58060800000. Its totient is φ = 7703589888.

The previous prime is 25261271207. The next prime is 25261271213. The reversal of 25261271210 is 1217216252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25261271207) and next prime (25261271213).

It is not an unprimeable number, because it can be changed into a prime (25261271213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11281271 + ... + 11283509.

It is an arithmetic number, because the mean of its divisors is an integer number (453600000).

Almost surely, 2^25261271210 is an apocalyptic number.

25261271210 is an abundant number, since it is smaller than the sum of its proper divisors (32799528790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25261271210 is a wasteful number, since it uses less digits than its factorization.

25261271210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 25261271210 its reverse (1217216252), we get a palindrome (26478487462).

The spelling of 25261271210 in words is "twenty-five billion, two hundred sixty-one million, two hundred seventy-one thousand, two hundred ten".