2153212515462 has 16 divisors (see below), whose sum is σ = 4533078980160. Its totient is φ = 679961846952.

The previous prime is 2153212515437. The next prime is 2153212515463. The reversal of 2153212515462 is 2645152123512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153212515462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153212515463) 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 7 ways as a sum of consecutive naturals, for example, 9443914428 + ... + 9443914655.

It is an arithmetic number, because the mean of its divisors is an integer number (283317436260).

Almost surely, 2^{2153212515462} is an apocalyptic number.

2153212515462 is an abundant number, since it is smaller than the sum of its proper divisors (2379866464698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153212515462 is a wasteful number, since it uses less digits than its factorization.

2153212515462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887829107.

The product of its digits is 144000, while the sum is 39.

Adding to 2153212515462 its reverse (2645152123512), we get a palindrome (4798364638974).

The spelling of 2153212515462 in words is "two trillion, one hundred fifty-three billion, two hundred twelve million, five hundred fifteen thousand, four hundred sixty-two".