11145164361265 has 32 divisors (see below), whose sum is σ = 14738415943680. Its totient is φ = 8023430116800.

The previous prime is 11145164361263. The next prime is 11145164361277. The reversal of 11145164361265 is 56216346154111.

It is a happy number.

It is not a de Polignac number, because 11145164361265 - 2¹ = 11145164361263 is a prime.

It is a super-2 number, since 2×11145164361265² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11145164361263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249120 + ... + 4883710.

It is an arithmetic number, because the mean of its divisors is an integer number (460575498240).

Almost surely, 2^{11145164361265} is an apocalyptic number.

It is an amenable number.

11145164361265 is a deficient number, since it is larger than the sum of its proper divisors (3593251582415).

11145164361265 is a wasteful number, since it uses less digits than its factorization.

11145164361265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635173.

The product of its digits is 518400, while the sum is 46.

The spelling of 11145164361265 in words is "eleven trillion, one hundred forty-five billion, one hundred sixty-four million, three hundred sixty-one thousand, two hundred sixty-five".