65722125120 has 224 divisors, whose sum is σ = 221564533248. Its totient is φ = 16448520192.

The previous prime is 65722125113. The next prime is 65722125163. The reversal of 65722125120 is 2152122756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5983954 + ... + 5994926.

Almost surely, 2^65722125120 is an apocalyptic number.

65722125120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65722125120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110782266624).

65722125120 is an abundant number, since it is smaller than the sum of its proper divisors (155842408128).

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

65722125120 is a wasteful number, since it uses less digits than its factorization.

65722125120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377 (or 11367 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 65722125120 its reverse (2152122756), we get a palindrome (67874247876).

The spelling of 65722125120 in words is "sixty-five billion, seven hundred twenty-two million, one hundred twenty-five thousand, one hundred twenty".