65522500120 has 96 divisors (see below), whose sum is σ = 187085641680. Its totient is φ = 20422590720.

The previous prime is 65522500081. The next prime is 65522500123. The reversal of 65522500120 is 2100522556.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65522500123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1497979 + ... + 1541098.

Almost surely, 2^65522500120 is an apocalyptic number.

It is an amenable number.

65522500120 is an abundant number, since it is smaller than the sum of its proper divisors (121563141560).

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

65522500120 is a wasteful number, since it uses less digits than its factorization.

65522500120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039113 (or 3039102 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 65522500120 in words is "sixty-five billion, five hundred twenty-two million, five hundred thousand, one hundred twenty".