25030551205 has 64 divisors (see below), whose sum is σ = 36798644736. Its totient is φ = 16118784000.

The previous prime is 25030551187. The next prime is 25030551223. The reversal of 25030551205 is 50215503052.

It is an interprime number because it is at equal distance from previous prime (25030551187) and next prime (25030551223).

It is not a de Polignac number, because 25030551205 - 2⁹ = 25030550693 is a prime.

It is a super-2 number, since 2×25030551205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1302265 + ... + 1321345.

It is an arithmetic number, because the mean of its divisors is an integer number (574978824).

Almost surely, 2^25030551205 is an apocalyptic number.

It is an amenable number.

25030551205 is a deficient number, since it is larger than the sum of its proper divisors (11768093531).

25030551205 is a wasteful number, since it uses less digits than its factorization.

25030551205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19198.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 25030551205 in words is "twenty-five billion, thirty million, five hundred fifty-one thousand, two hundred five".