65041134461520 has 320 divisors, whose sum is σ = 236782193303040. Its totient is φ = 14457236742144.

The previous prime is 65041134461423. The next prime is 65041134461561. The reversal of 65041134461520 is 2516443114056.

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 63 ways as a sum of consecutive naturals, for example, 119884626 + ... + 120425934.

It is an arithmetic number, because the mean of its divisors is an integer number (739944354072).

Almost surely, 2^{65041134461520} is an apocalyptic number.

65041134461520 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 65041134461520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118391096651520).

65041134461520 is an abundant number, since it is smaller than the sum of its proper divisors (171741058841520).

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

65041134461520 is a wasteful number, since it uses less digits than its factorization.

65041134461520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543302 (or 543296 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 65041134461520 its reverse (2516443114056), we get a palindrome (67557577575576).

The spelling of 65041134461520 in words is "sixty-five trillion, forty-one billion, one hundred thirty-four million, four hundred sixty-one thousand, five hundred twenty".