99425187525 has 24 divisors (see below), whose sum is σ = 165301339680. Its totient is φ = 52730520640.

The previous prime is 99425187481. The next prime is 99425187529. The reversal of 99425187525 is 52578152499.

It is not a de Polignac number, because 99425187525 - 2⁷ = 99425187397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99425187529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3689562 + ... + 3716411.

It is an arithmetic number, because the mean of its divisors is an integer number (6887555820).

Almost surely, 2^99425187525 is an apocalyptic number.

It is an amenable number.

99425187525 is a deficient number, since it is larger than the sum of its proper divisors (65876152155).

99425187525 is a wasteful number, since it uses less digits than its factorization.

99425187525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406165 (or 7406160 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 57.

The spelling of 99425187525 in words is "ninety-nine billion, four hundred twenty-five million, one hundred eighty-seven thousand, five hundred twenty-five".