5031220666605 has 64 divisors (see below), whose sum is σ = 9655435837440. Its totient is φ = 2187270302976.

The previous prime is 5031220666573. The next prime is 5031220666639. The reversal of 5031220666605 is 5066660221305.

It is not a de Polignac number, because 5031220666605 - 2⁵ = 5031220666573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5603365 + ... + 6438954.

It is an arithmetic number, because the mean of its divisors is an integer number (150866184960).

Almost surely, 2^{5031220666605} is an apocalyptic number.

It is an amenable number.

5031220666605 is a deficient number, since it is larger than the sum of its proper divisors (4624215170835).

5031220666605 is a wasteful number, since it uses less digits than its factorization.

5031220666605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042530.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 5031220666605 in words is "five trillion, thirty-one billion, two hundred twenty million, six hundred sixty-six thousand, six hundred five".