611412614501 has 4 divisors (see below), whose sum is σ = 658444354092. Its totient is φ = 564380874912.

The previous prime is 611412614479. The next prime is 611412614531. The reversal of 611412614501 is 105416214116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47013514276 + 564399100225 = 216826^2 + 751265^2 .

It is a cyclic number.

It is not a de Polignac number, because 611412614501 - 2³⁰ = 610338872677 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 (611412614531) 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, 23515869776 + ... + 23515869801.

It is an arithmetic number, because the mean of its divisors is an integer number (164611088523).

Almost surely, 2^611412614501 is an apocalyptic number.

It is an amenable number.

611412614501 is a deficient number, since it is larger than the sum of its proper divisors (47031739591).

611412614501 is a wasteful number, since it uses less digits than its factorization.

611412614501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47031739590.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 611412614501 its reverse (105416214116), we get a palindrome (716828828617).

The spelling of 611412614501 in words is "six hundred eleven billion, four hundred twelve million, six hundred fourteen thousand, five hundred one".