611050501049 has 4 divisors (see below), whose sum is σ = 611052073764. Its totient is φ = 611048928336.

The previous prime is 611050501013. The next prime is 611050501081. The reversal of 611050501049 is 940105050116.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 256549341049 + 354501160000 = 506507^2 + 595400^2 .

It is a cyclic number.

It is not a de Polignac number, because 611050501049 - 2²⁰ = 611049452473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (611050501249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264959 + ... + 1136795.

It is an arithmetic number, because the mean of its divisors is an integer number (152763018441).

Almost surely, 2^611050501049 is an apocalyptic number.

It is an amenable number.

611050501049 is a deficient number, since it is larger than the sum of its proper divisors (1572715).

611050501049 is an equidigital number, since it uses as much as digits as its factorization.

611050501049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572714.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 611050501049 in words is "six hundred eleven billion, fifty million, five hundred one thousand, forty-nine".