25013201004 has 48 divisors (see below), whose sum is σ = 70744410240. Its totient is φ = 7579757520.

The previous prime is 25013200999. The next prime is 25013201027. The reversal of 25013201004 is 40010231052.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10526254 + ... + 10528629.

It is an arithmetic number, because the mean of its divisors is an integer number (1473841880).

Almost surely, 2^25013201004 is an apocalyptic number.

It is an amenable number.

25013201004 is an abundant number, since it is smaller than the sum of its proper divisors (45731209236).

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

25013201004 is a wasteful number, since it uses less digits than its factorization.

25013201004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054907 (or 21054899 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 25013201004 its reverse (40010231052), we get a palindrome (65023432056).

The spelling of 25013201004 in words is "twenty-five billion, thirteen million, two hundred one thousand, four".