9125621180 has 24 divisors (see below), whose sum is σ = 20637943872. Its totient is φ = 3369460032.

The previous prime is 9125621179. The next prime is 9125621203. The reversal of 9125621180 is 811265219.

It is a self number, because there is not a number n which added to its sum of digits gives 9125621180.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17549012 + ... + 17549531.

It is an arithmetic number, because the mean of its divisors is an integer number (859914328).

Almost surely, 2^9125621180 is an apocalyptic number.

It is an amenable number.

9125621180 is an abundant number, since it is smaller than the sum of its proper divisors (11512322692).

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

9125621180 is a wasteful number, since it uses less digits than its factorization.

9125621180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35098565 (or 35098563 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 9125621180 is about 95528.1172221038. The cubic root of 9125621180 is about 2089.7170148667.

Adding to 9125621180 its reverse (811265219), we get a palindrome (9936886399).

The spelling of 9125621180 in words is "nine billion, one hundred twenty-five million, six hundred twenty-one thousand, one hundred eighty".