611145432541 has 8 divisors (see below), whose sum is σ = 711630261504. Its totient is φ = 513955188240.

The previous prime is 611145432533. The next prime is 611145432571. The reversal of 611145432541 is 145234541116.

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 611145432541 - 2³ = 611145432533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611145432541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611145432571) 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, 823645765 + ... + 823646506.

It is an arithmetic number, because the mean of its divisors is an integer number (88953782688).

Almost surely, 2^611145432541 is an apocalyptic number.

It is an amenable number.

611145432541 is a deficient number, since it is larger than the sum of its proper divisors (100484828963).

611145432541 is a wasteful number, since it uses less digits than its factorization.

611145432541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647292331.

The product of its digits is 57600, while the sum is 37.

Adding to 611145432541 its reverse (145234541116), we get a palindrome (756379973657).

The spelling of 611145432541 in words is "six hundred eleven billion, one hundred forty-five million, four hundred thirty-two thousand, five hundred forty-one".