506055611651 has 4 divisors (see below), whose sum is σ = 506057110272. Its totient is φ = 506054113032.

The previous prime is 506055611627. The next prime is 506055611689. The reversal of 506055611651 is 156116550605.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 506055611651 - 2³⁸ = 231177704707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506055611599 and 506055611608.

It is not an unprimeable number, because it can be changed into a prime (506055611951) 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, 21566 + ... + 1006268.

It is an arithmetic number, because the mean of its divisors is an integer number (126514277568).

Almost surely, 2^506055611651 is an apocalyptic number.

506055611651 is a deficient number, since it is larger than the sum of its proper divisors (1498621).

506055611651 is an equidigital number, since it uses as much as digits as its factorization.

506055611651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498620.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 506055611651 in words is "five hundred six billion, fifty-five million, six hundred eleven thousand, six hundred fifty-one".