611120531541 has 8 divisors (see below), whose sum is σ = 877506404320. Its totient is φ = 376074173232.

The previous prime is 611120531531. The next prime is 611120531573. The reversal of 611120531541 is 145135021116.

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

It is not a de Polignac number, because 611120531541 - 2²⁷ = 610986313813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611120531499 and 611120531508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611120531531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7834878571 + ... + 7834878648.

It is an arithmetic number, because the mean of its divisors is an integer number (109688300540).

Almost surely, 2^611120531541 is an apocalyptic number.

It is an amenable number.

611120531541 is a deficient number, since it is larger than the sum of its proper divisors (266385872779).

611120531541 is a wasteful number, since it uses less digits than its factorization.

611120531541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669757235.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 611120531541 its reverse (145135021116), we get a palindrome (756255552657).

The spelling of 611120531541 in words is "six hundred eleven billion, one hundred twenty million, five hundred thirty-one thousand, five hundred forty-one".