65119528320 has 768 divisors, whose sum is σ = 272240317440. Its totient is φ = 12935577600.

The previous prime is 65119528291. The next prime is 65119528351. The reversal of 65119528320 is 2382591156.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37402650 + ... + 37404390.

It is an arithmetic number, because the mean of its divisors is an integer number (354479580).

Almost surely, 2^65119528320 is an apocalyptic number.

65119528320 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 65119528320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136120158720).

65119528320 is an abundant number, since it is smaller than the sum of its proper divisors (207120789120).

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

65119528320 is a wasteful number, since it uses less digits than its factorization.

65119528320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 65119528320 in words is "sixty-five billion, one hundred nineteen million, five hundred twenty-eight thousand, three hundred twenty".