25000061454203 has 16 divisors (see below), whose sum is σ = 28580707823616. Its totient is φ = 21645882603840.

The previous prime is 25000061454169. The next prime is 25000061454283. The reversal of 25000061454203 is 30245416000052.

It is not a de Polignac number, because 25000061454203 - 2⁸ = 25000061453947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25000061454203.

It is not an unprimeable number, because it can be changed into a prime (25000061454283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211989275 + ... + 212107172.

It is an arithmetic number, because the mean of its divisors is an integer number (1786294238976).

Almost surely, 2^{25000061454203} is an apocalyptic number.

25000061454203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25000061454203 is a deficient number, since it is larger than the sum of its proper divisors (3580646369413).

25000061454203 is a wasteful number, since it uses less digits than its factorization.

25000061454203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424096714.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25000061454203 its reverse (30245416000052), we get a palindrome (55245477454255).

The spelling of 25000061454203 in words is "twenty-five trillion, sixty-one million, four hundred fifty-four thousand, two hundred three".