611153643053 has 4 divisors (see below), whose sum is σ = 613144371840. Its totient is φ = 609162914268.

The previous prime is 611153643013. The next prime is 611153643059. The reversal of 611153643053 is 350346351116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 611153643053 - 2³⁶ = 542434166317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 611153642998 and 611153643016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611153643059) 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, 995363933 + ... + 995364546.

It is an arithmetic number, because the mean of its divisors is an integer number (153286092960).

Almost surely, 2^611153643053 is an apocalyptic number.

It is an amenable number.

611153643053 is a deficient number, since it is larger than the sum of its proper divisors (1990728787).

611153643053 is a wasteful number, since it uses less digits than its factorization.

611153643053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990728786.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 611153643053 its reverse (350346351116), we get a palindrome (961499994169).

The spelling of 611153643053 in words is "six hundred eleven billion, one hundred fifty-three million, six hundred forty-three thousand, fifty-three".