620025316511 has 8 divisors (see below), whose sum is σ = 657589218144. Its totient is φ = 583345271520.

The previous prime is 620025316489. The next prime is 620025316523. The reversal of 620025316511 is 115613520026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620025316511 - 2⁶ = 620025316447 is a prime.

It is a super-2 number, since 2×620025316511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620025316111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220962716 + ... + 220965521.

It is an arithmetic number, because the mean of its divisors is an integer number (82198652268).

Almost surely, 2^620025316511 is an apocalyptic number.

620025316511 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

620025316511 is a deficient number, since it is larger than the sum of its proper divisors (37563901633).

620025316511 is a wasteful number, since it uses less digits than its factorization.

620025316511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441928321.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 620025316511 its reverse (115613520026), we get a palindrome (735638836537).

The spelling of 620025316511 in words is "six hundred twenty billion, twenty-five million, three hundred sixteen thousand, five hundred eleven".