611114144108621 has 8 divisors (see below), whose sum is σ = 612776129288544. Its totient is φ = 609453669141520.

The previous prime is 611114144108603. The next prime is 611114144108647. The reversal of 611114144108621 is 126801441411116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611114144108621 - 2³⁰ = 611113070366797 is a prime.

It is a super-2 number, since 2×611114144108621² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611114144108921) 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 7 ways as a sum of consecutive naturals, for example, 376742795 + ... + 378361416.

It is an arithmetic number, because the mean of its divisors is an integer number (76597016161068).

Almost surely, 2^{611114144108621} is an apocalyptic number.

It is an amenable number.

611114144108621 is a deficient number, since it is larger than the sum of its proper divisors (1661985179923).

611114144108621 is a wasteful number, since it uses less digits than its factorization.

611114144108621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755106411.

The product of its (nonzero) digits is 36864, while the sum is 41.

Adding to 611114144108621 its reverse (126801441411116), we get a palindrome (737915585519737).

The spelling of 611114144108621 in words is "six hundred eleven trillion, one hundred fourteen billion, one hundred forty-four million, one hundred eight thousand, six hundred twenty-one".