11662145552365 has 128 divisors (see below), whose sum is σ = 18582624460800. Its totient is φ = 6806165667840.

The previous prime is 11662145552357. The next prime is 11662145552381. The reversal of 11662145552365 is 56325554126611.

It is not a de Polignac number, because 11662145552365 - 2³ = 11662145552357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1577454109 + ... + 1577461501.

It is an arithmetic number, because the mean of its divisors is an integer number (145176753600).

Almost surely, 2^{11662145552365} is an apocalyptic number.

It is an amenable number.

11662145552365 is a deficient number, since it is larger than the sum of its proper divisors (6920478908435).

11662145552365 is a wasteful number, since it uses less digits than its factorization.

11662145552365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947.

The product of its digits is 6480000, while the sum is 52.

Adding to 11662145552365 its reverse (56325554126611), we get a palindrome (67987699678976).

The spelling of 11662145552365 in words is "eleven trillion, six hundred sixty-two billion, one hundred forty-five million, five hundred fifty-two thousand, three hundred sixty-five".