655515430413000 has 256 divisors, whose sum is σ = 2153040211296000. Its totient is φ = 165589318656000.

The previous prime is 655515430412977. The next prime is 655515430413007. The reversal of 655515430413000 is 314034515556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (655515430413007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 654372510 + ... + 655373490.

It is an arithmetic number, because the mean of its divisors is an integer number (8410313325375).

Almost surely, 2^{655515430413000} is an apocalyptic number.

655515430413000 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 655515430413000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076520105648000).

655515430413000 is an abundant number, since it is smaller than the sum of its proper divisors (1497524780883000).

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

655515430413000 is a wasteful number, since it uses less digits than its factorization.

655515430413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012513 (or 1012499 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 655515430413000 its reverse (314034515556), we get a palindrome (655829464928556).

The spelling of 655515430413000 in words is "six hundred fifty-five trillion, five hundred fifteen billion, four hundred thirty million, four hundred thirteen thousand".