25141420100 has 36 divisors (see below), whose sum is σ = 54697215300. Its totient is φ = 10030700160.

The previous prime is 25141420099. The next prime is 25141420147. The reversal of 25141420100 is 102414152.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3717828676 + 21423591424 = 60974^2 + 146368^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284255 + ... + 362054.

Almost surely, 2^25141420100 is an apocalyptic number.

25141420100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25141420100 is an abundant number, since it is smaller than the sum of its proper divisors (29555795200).

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

25141420100 is a wasteful number, since it uses less digits than its factorization.

25141420100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646712 (or 646705 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 25141420100 its reverse (102414152), we get a palindrome (25243834252).

The spelling of 25141420100 in words is "twenty-five billion, one hundred forty-one million, four hundred twenty thousand, one hundred".