264432505011505 has 16 divisors (see below), whose sum is σ = 318695477190480. Its totient is φ = 210628439676928.

The previous prime is 264432505011431. The next prime is 264432505011523. The reversal of 264432505011505 is 505110505234462.

It can be written as a sum of positive squares in 8 ways, for example, as 3673696722721 + 260758808288784 = 1916689^2 + 16148028^2 .

It is a cyclic number.

It is not a de Polignac number, because 264432505011505 - 2¹¹ = 264432505009457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20321481 + ... + 30689209.

It is an arithmetic number, because the mean of its divisors is an integer number (19918467324405).

Almost surely, 2^{264432505011505} is an apocalyptic number.

It is an amenable number.

264432505011505 is a deficient number, since it is larger than the sum of its proper divisors (54262972178975).

264432505011505 is a wasteful number, since it uses less digits than its factorization.

264432505011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10389860.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 264432505011505 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, five hundred five million, eleven thousand, five hundred five".