25530041502 has 48 divisors (see below), whose sum is σ = 63300992352. Its totient is φ = 7284634560.

The previous prime is 25530041497. The next prime is 25530041507. The reversal of 25530041502 is 20514003552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25530041497) and next prime (25530041507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530041507) 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 23 ways as a sum of consecutive naturals, for example, 38449 + ... + 229212.

It is an arithmetic number, because the mean of its divisors is an integer number (1318770674).

Almost surely, 2^25530041502 is an apocalyptic number.

25530041502 is an abundant number, since it is smaller than the sum of its proper divisors (37770950850).

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

25530041502 is a wasteful number, since it uses less digits than its factorization.

25530041502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268433 (or 268430 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 25530041502 in words is "twenty-five billion, five hundred thirty million, forty-one thousand, five hundred two".