561151676623 has 4 divisors (see below), whose sum is σ = 561175022728. Its totient is φ = 561128330520.

The previous prime is 561151676621. The next prime is 561151676629. The reversal of 561151676623 is 326676151165.

561151676623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 561151676623 - 2¹ = 561151676621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561151676621) 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, 11636961 + ... + 11685082.

It is an arithmetic number, because the mean of its divisors is an integer number (140293755682).

Almost surely, 2^561151676623 is an apocalyptic number.

561151676623 is a deficient number, since it is larger than the sum of its proper divisors (23346105).

561151676623 is a wasteful number, since it uses less digits than its factorization.

561151676623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23346104.

The product of its digits is 1360800, while the sum is 49.

The spelling of 561151676623 in words is "five hundred sixty-one billion, one hundred fifty-one million, six hundred seventy-six thousand, six hundred twenty-three".