25100315134 has 4 divisors (see below), whose sum is σ = 37650472704. Its totient is φ = 12550157566.

The previous prime is 25100315131. The next prime is 25100315143. The reversal of 25100315134 is 43151300152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25100315134² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25100315099 and 25100315108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25100315131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275078782 + ... + 6275078785.

It is an arithmetic number, because the mean of its divisors is an integer number (9412618176).

Almost surely, 2^25100315134 is an apocalyptic number.

25100315134 is a deficient number, since it is larger than the sum of its proper divisors (12550157570).

25100315134 is a wasteful number, since it uses less digits than its factorization.

25100315134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550157569.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 25100315134 its reverse (43151300152), we get a palindrome (68251615286).

The spelling of 25100315134 in words is "twenty-five billion, one hundred million, three hundred fifteen thousand, one hundred thirty-four".