611051223231061 has 4 divisors (see below), whose sum is σ = 637618667719392. Its totient is φ = 584483778742732.

The previous prime is 611051223230999. The next prime is 611051223231079. The reversal of 611051223231061 is 160132322150116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 611051223231061 - 2³⁹ = 610501467417173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611051227231061) 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, 13283722244131 + ... + 13283722244176.

It is an arithmetic number, because the mean of its divisors is an integer number (159404666929848).

Almost surely, 2^{611051223231061} is an apocalyptic number.

It is an amenable number.

611051223231061 is a deficient number, since it is larger than the sum of its proper divisors (26567444488331).

611051223231061 is a wasteful number, since it uses less digits than its factorization.

611051223231061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26567444488330.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 611051223231061 its reverse (160132322150116), we get a palindrome (771183545381177).

The spelling of 611051223231061 in words is "six hundred eleven trillion, fifty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, sixty-one".