655001605051 has 2 divisors, whose sum is σ = 655001605052. Its totient is φ = 655001605050.

The previous prime is 655001605039. The next prime is 655001605073. The reversal of 655001605051 is 150506100556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655001605051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655001604998 and 655001605016.

It is not a weakly prime, because it can be changed into another prime (655001605151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327500802525 + 327500802526.

It is an arithmetic number, because the mean of its divisors is an integer number (327500802526).

Almost surely, 2^655001605051 is an apocalyptic number.

655001605051 is a deficient number, since it is larger than the sum of its proper divisors (1).

655001605051 is an equidigital number, since it uses as much as digits as its factorization.

655001605051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 655001605051 in words is "six hundred fifty-five billion, one million, six hundred five thousand, fifty-one".