611054625205553 has 4 divisors (see below), whose sum is σ = 611225167945728. Its totient is φ = 610884082465380.

The previous prime is 611054625205547. The next prime is 611054625205561. The reversal of 611054625205553 is 355502526450116.

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 a de Polignac number, because none of the positive numbers 2^k-611054625205553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611054625205523) 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, 85271364713 + ... + 85271371878.

It is an arithmetic number, because the mean of its divisors is an integer number (152806291986432).

Almost surely, 2^{611054625205553} is an apocalyptic number.

It is an amenable number.

611054625205553 is a deficient number, since it is larger than the sum of its proper divisors (170542740175).

611054625205553 is a wasteful number, since it uses less digits than its factorization.

611054625205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170542740174.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 611054625205553 in words is "six hundred eleven trillion, fifty-four billion, six hundred twenty-five million, two hundred five thousand, five hundred fifty-three".