655001500051 has 4 divisors (see below), whose sum is σ = 693531000072. Its totient is φ = 616472000032.

The previous prime is 655001500037. The next prime is 655001500061. The reversal of 655001500051 is 150005100556.

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 655001500051 - 2¹¹ = 655001498003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655001499992 and 655001500019.

It is not an unprimeable number, because it can be changed into a prime (655001500061) 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, 19264749985 + ... + 19264750018.

It is an arithmetic number, because the mean of its divisors is an integer number (173382750018).

Almost surely, 2^655001500051 is an apocalyptic number.

655001500051 is a deficient number, since it is larger than the sum of its proper divisors (38529500021).

655001500051 is a wasteful number, since it uses less digits than its factorization.

655001500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38529500020.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 655001500051 in words is "six hundred fifty-five billion, one million, five hundred thousand, fifty-one".