655105624951 has 4 divisors (see below), whose sum is σ = 662466362400. Its totient is φ = 647744887504.

The previous prime is 655105624913. The next prime is 655105624969. The reversal of 655105624951 is 159426501556.

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 655105624951 - 2²⁹ = 654568754039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655105624895 and 655105624904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655105624351) 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, 3680368591 + ... + 3680368768.

It is an arithmetic number, because the mean of its divisors is an integer number (165616590600).

Almost surely, 2^655105624951 is an apocalyptic number.

655105624951 is a deficient number, since it is larger than the sum of its proper divisors (7360737449).

655105624951 is an equidigital number, since it uses as much as digits as its factorization.

655105624951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360737448.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 655105624951 in words is "six hundred fifty-five billion, one hundred five million, six hundred twenty-four thousand, nine hundred fifty-one".