620551110411 has 12 divisors (see below), whose sum is σ = 904283920488. Its totient is φ = 410039671104.

The previous prime is 620551110373. The next prime is 620551110427. The reversal of 620551110411 is 114011155026.

620551110411 is a `hidden beast` number, since 6 + 2 + 0 + 551 + 1 + 104 + 1 + 1 = 666.

It is not a de Polignac number, because 620551110411 - 2¹⁷ = 620550979339 is a prime.

It is a super-2 number, since 2×620551110411² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620551110451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305088025 + ... + 305090058.

It is an arithmetic number, because the mean of its divisors is an integer number (75356993374).

Almost surely, 2^620551110411 is an apocalyptic number.

620551110411 is a deficient number, since it is larger than the sum of its proper divisors (283732810077).

620551110411 is a wasteful number, since it uses less digits than its factorization.

620551110411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610178202 (or 610178199 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 620551110411 its reverse (114011155026), we get a palindrome (734562265437).

The spelling of 620551110411 in words is "six hundred twenty billion, five hundred fifty-one million, one hundred ten thousand, four hundred eleven".