25161414959 has 4 divisors (see below), whose sum is σ = 25161764760. Its totient is φ = 25161065160.

The previous prime is 25161414953. The next prime is 25161414973. The reversal of 25161414959 is 95941416152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25161414959 - 2¹² = 25161410863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25161414953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23069 + ... + 225510.

It is an arithmetic number, because the mean of its divisors is an integer number (6290441190).

Almost surely, 2^25161414959 is an apocalyptic number.

25161414959 is a deficient number, since it is larger than the sum of its proper divisors (349801).

25161414959 is a wasteful number, since it uses less digits than its factorization.

25161414959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349800.

The product of its digits is 388800, while the sum is 47.

The spelling of 25161414959 in words is "twenty-five billion, one hundred sixty-one million, four hundred fourteen thousand, nine hundred fifty-nine".