2151513144223 has 16 divisors (see below), whose sum is σ = 2327539069440. Its totient is φ = 1981020393856.

The previous prime is 2151513144197. The next prime is 2151513144229. The reversal of 2151513144223 is 3224413151512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151513144223 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 (2151513144229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293240 + ... + 2444482.

It is an arithmetic number, because the mean of its divisors is an integer number (145471191840).

Almost surely, 2^{2151513144223} is an apocalyptic number.

2151513144223 is a deficient number, since it is larger than the sum of its proper divisors (176025925217).

2151513144223 is a wasteful number, since it uses less digits than its factorization.

2151513144223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153646.

The product of its digits is 28800, while the sum is 34.

Adding to 2151513144223 its reverse (3224413151512), we get a palindrome (5375926295735).

The spelling of 2151513144223 in words is "two trillion, one hundred fifty-one billion, five hundred thirteen million, one hundred forty-four thousand, two hundred twenty-three".