25148054109 has 8 divisors (see below), whose sum is σ = 33700946400. Its totient is φ = 16680265616.

The previous prime is 25148054059. The next prime is 25148054119. The reversal of 25148054109 is 90145084152.

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

It is a cyclic number.

It is not a de Polignac number, because 25148054109 - 2¹⁶ = 25147988573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25148054119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21275259 + ... + 21276440.

It is an arithmetic number, because the mean of its divisors is an integer number (4212618300).

Almost surely, 2^25148054109 is an apocalyptic number.

It is an amenable number.

25148054109 is a deficient number, since it is larger than the sum of its proper divisors (8552892291).

25148054109 is a wasteful number, since it uses less digits than its factorization.

25148054109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42551899.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 25148054109 in words is "twenty-five billion, one hundred forty-eight million, fifty-four thousand, one hundred nine".