25012315514 has 16 divisors (see below), whose sum is σ = 38614781376. Its totient is φ = 12145980000.

The previous prime is 25012315513. The next prime is 25012315541. The reversal of 25012315514 is 41551321052.

It is not an unprimeable number, because it can be changed into a prime (25012315511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304987 + ... + 1324014.

It is an arithmetic number, because the mean of its divisors is an integer number (2413423836).

Almost surely, 2^25012315514 is an apocalyptic number.

25012315514 is a deficient number, since it is larger than the sum of its proper divisors (13602465862).

25012315514 is a wasteful number, since it uses less digits than its factorization.

25012315514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629141.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 25012315514 its reverse (41551321052), we get a palindrome (66563636566).

The spelling of 25012315514 in words is "twenty-five billion, twelve million, three hundred fifteen thousand, five hundred fourteen".