264634044555211 has 64 divisors (see below), whose sum is σ = 291539268403200. Its totient is φ = 239388754340736.

The previous prime is 264634044555193. The next prime is 264634044555259. The reversal of 264634044555211 is 112555440436462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 264634044555211 - 2⁹ = 264634044554699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264634044555311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2047821946 + ... + 2047951168.

It is an arithmetic number, because the mean of its divisors is an integer number (4555301068800).

Almost surely, 2^{264634044555211} is an apocalyptic number.

264634044555211 is a deficient number, since it is larger than the sum of its proper divisors (26905223847989).

264634044555211 is a wasteful number, since it uses less digits than its factorization.

264634044555211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129728.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 264634044555211 in words is "two hundred sixty-four trillion, six hundred thirty-four billion, forty-four million, five hundred fifty-five thousand, two hundred eleven".