613205011320 has 64 divisors (see below), whose sum is σ = 2006852768640. Its totient is φ = 148655760000.

The previous prime is 613205011213. The next prime is 613205011351. The reversal of 613205011320 is 23110502316.

It is a super-2 number, since 2×613205011320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232273306 + ... + 232275945.

It is an arithmetic number, because the mean of its divisors is an integer number (31357074510).

Almost surely, 2^613205011320 is an apocalyptic number.

613205011320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613205011320 is an abundant number, since it is smaller than the sum of its proper divisors (1393647757320).

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

613205011320 is a wasteful number, since it uses less digits than its factorization.

613205011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464549276 (or 464549272 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 613205011320 its reverse (23110502316), we get a palindrome (636315513636).

The spelling of 613205011320 in words is "six hundred thirteen billion, two hundred five million, eleven thousand, three hundred twenty".