25000148899 has 16 divisors (see below), whose sum is σ = 27645696000. Its totient is φ = 22417312320.

The previous prime is 25000148851. The next prime is 25000148903. The reversal of 25000148899 is 99884100052.

It is a cyclic number.

It is not a de Polignac number, because 25000148899 - 2¹¹ = 25000146851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000148809) 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 15 ways as a sum of consecutive naturals, for example, 889047 + ... + 916735.

It is an arithmetic number, because the mean of its divisors is an integer number (1727856000).

Almost surely, 2^25000148899 is an apocalyptic number.

25000148899 is a deficient number, since it is larger than the sum of its proper divisors (2645547101).

25000148899 is a wasteful number, since it uses less digits than its factorization.

25000148899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 25000148899 in words is "twenty-five billion, one hundred forty-eight thousand, eight hundred ninety-nine".