25503401030 has 8 divisors (see below), whose sum is σ = 45906121872. Its totient is φ = 10201360408.

The previous prime is 25503400999. The next prime is 25503401039. The reversal of 25503401030 is 3010430552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25503400987 and 25503401005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503401039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275170042 + ... + 1275170061.

It is an arithmetic number, because the mean of its divisors is an integer number (5738265234).

Almost surely, 2^25503401030 is an apocalyptic number.

25503401030 is a deficient number, since it is larger than the sum of its proper divisors (20402720842).

25503401030 is a wasteful number, since it uses less digits than its factorization.

25503401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550340110.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 25503401030 its reverse (3010430552), we get a palindrome (28513831582).

The spelling of 25503401030 in words is "twenty-five billion, five hundred three million, four hundred one thousand, thirty".