2151562651513 has 16 divisors (see below), whose sum is σ = 2423112786432. Its totient is φ = 1892683872000.

The previous prime is 2151562651489. The next prime is 2151562651541. The reversal of 2151562651513 is 3151562651512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2151562651513 - 2³³ = 2142972716921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151562651513.

It is not an unprimeable number, because it can be changed into a prime (2151562652513) 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, 3213795 + ... + 3825127.

It is an arithmetic number, because the mean of its divisors is an integer number (151444549152).

Almost surely, 2^{2151562651513} is an apocalyptic number.

It is an amenable number.

2151562651513 is a deficient number, since it is larger than the sum of its proper divisors (271550134919).

2151562651513 is a wasteful number, since it uses less digits than its factorization.

2151562651513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621696.

The product of its digits is 270000, while the sum is 43.

Subtracting 2151562651513 from its reverse (3151562651512), we obtain a palindrome (999999999999).

The spelling of 2151562651513 in words is "two trillion, one hundred fifty-one billion, five hundred sixty-two million, six hundred fifty-one thousand, five hundred thirteen".