25100051010 has 16 divisors (see below), whose sum is σ = 60240122496. Its totient is φ = 6693346928.

The previous prime is 25100050993. The next prime is 25100051017. The reversal of 25100051010 is 1015000152.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25100051017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418334154 + ... + 418334213.

It is an arithmetic number, because the mean of its divisors is an integer number (3765007656).

Almost surely, 2^25100051010 is an apocalyptic number.

25100051010 is an abundant number, since it is smaller than the sum of its proper divisors (35140071486).

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

25100051010 is a wasteful number, since it uses less digits than its factorization.

25100051010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836668377.

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 25100051010 its reverse (1015000152), we get a palindrome (26115051162).

The spelling of 25100051010 in words is "twenty-five billion, one hundred million, fifty-one thousand, ten".