25015648098 has 32 divisors (see below), whose sum is σ = 57244962816. Its totient is φ = 7139035728.

The previous prime is 25015648093. The next prime is 25015648139. The reversal of 25015648098 is 89084651052.

25015648098 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (25015648093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308836 + ... + 381327.

It is an arithmetic number, because the mean of its divisors is an integer number (1788905088).

Almost surely, 2^25015648098 is an apocalyptic number.

25015648098 is an abundant number, since it is smaller than the sum of its proper divisors (32229314718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25015648098 is a wasteful number, since it uses less digits than its factorization.

25015648098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691038.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 25015648098 in words is "twenty-five billion, fifteen million, six hundred forty-eight thousand, ninety-eight".