25100005134 has 16 divisors (see below), whose sum is σ = 51022962000. Its totient is φ = 8229509760.

The previous prime is 25100005123. The next prime is 25100005153. The reversal of 25100005134 is 43150000152.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25100005134.

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, 34289259 + ... + 34289990.

It is an arithmetic number, because the mean of its divisors is an integer number (3188935125).

Almost surely, 2^25100005134 is an apocalyptic number.

25100005134 is an abundant number, since it is smaller than the sum of its proper divisors (25922956866).

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

25100005134 is a wasteful number, since it uses less digits than its factorization.

25100005134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68579315.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 25100005134 its reverse (43150000152), we get a palindrome (68250005286).

The spelling of 25100005134 in words is "twenty-five billion, one hundred million, five thousand, one hundred thirty-four".