611411797989 has 32 divisors (see below), whose sum is σ = 927439856640. Its totient is φ = 397879652016.

The previous prime is 611411797967. The next prime is 611411797991. The reversal of 611411797989 is 989797114116.

611411797989 is a `hidden beast` number, since 6 + 1 + 1 + 411 + 79 + 79 + 89 = 666.

It is not a de Polignac number, because 611411797989 - 2⁷ = 611411797861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611411797949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1701874 + ... + 2029580.

It is an arithmetic number, because the mean of its divisors is an integer number (28982495520).

Almost surely, 2^611411797989 is an apocalyptic number.

It is an amenable number.

611411797989 is a deficient number, since it is larger than the sum of its proper divisors (316028058651).

611411797989 is a wasteful number, since it uses less digits than its factorization.

611411797989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329366 (or 329360 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 63.

The spelling of 611411797989 in words is "six hundred eleven billion, four hundred eleven million, seven hundred ninety-seven thousand, nine hundred eighty-nine".