11514464065 has 32 divisors (see below), whose sum is σ = 15534842400. Its totient is φ = 8134318080.

The previous prime is 11514464057. The next prime is 11514464083. The reversal of 11514464065 is 56046441511.

It can be written as a sum of positive squares in 16 ways, for example, as 1821667761 + 9692796304 = 42681^2 + 98452^2 .

It is not a de Polignac number, because 11514464065 - 2³ = 11514464057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177445 + ... + 233485.

It is an arithmetic number, because the mean of its divisors is an integer number (485463825).

Almost surely, 2^11514464065 is an apocalyptic number.

It is an amenable number.

11514464065 is a deficient number, since it is larger than the sum of its proper divisors (4020378335).

11514464065 is a wasteful number, since it uses less digits than its factorization.

11514464065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56197.

The product of its (nonzero) digits is 57600, while the sum is 37.

It can be divided in two parts, 1151446 and 4065, that added together give a palindrome (1155511).

The spelling of 11514464065 in words is "eleven billion, five hundred fourteen million, four hundred sixty-four thousand, sixty-five".