1151513644223 has 16 divisors (see below), whose sum is σ = 1224453827520. Its totient is φ = 1079156123136.

The previous prime is 1151513644219. The next prime is 1151513644243. The reversal of 1151513644223 is 3224463151511.

It is a cyclic number.

It is not a de Polignac number, because 1151513644223 - 2² = 1151513644219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151513644243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8378165 + ... + 8514497.

It is an arithmetic number, because the mean of its divisors is an integer number (76528364220).

Almost surely, 2^{1151513644223} is an apocalyptic number.

1151513644223 is a deficient number, since it is larger than the sum of its proper divisors (72940183297).

1151513644223 is a wasteful number, since it uses less digits than its factorization.

1151513644223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138466.

The product of its digits is 86400, while the sum is 38.

Adding to 1151513644223 its reverse (3224463151511), we get a palindrome (4375976795734).

The spelling of 1151513644223 in words is "one trillion, one hundred fifty-one billion, five hundred thirteen million, six hundred forty-four thousand, two hundred twenty-three".