611554034023 has 4 divisors (see below), whose sum is σ = 613193589448. Its totient is φ = 609914478600.

The previous prime is 611554033967. The next prime is 611554034111. The reversal of 611554034023 is 320430455116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611554034023 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 611554034023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611554034323) 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 3 ways as a sum of consecutive naturals, for example, 819777153 + ... + 819777898.

It is an arithmetic number, because the mean of its divisors is an integer number (153298397362).

Almost surely, 2^611554034023 is an apocalyptic number.

611554034023 is a deficient number, since it is larger than the sum of its proper divisors (1639555425).

611554034023 is a wasteful number, since it uses less digits than its factorization.

611554034023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639555424.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 611554034023 its reverse (320430455116), we get a palindrome (931984489139).

The spelling of 611554034023 in words is "six hundred eleven billion, five hundred fifty-four million, thirty-four thousand, twenty-three".