2151532344024 has 192 divisors, whose sum is σ = 6909143754240. Its totient is φ = 614457342720.

The previous prime is 2151532343963. The next prime is 2151532344043. The reversal of 2151532344024 is 4204432351512.

It is a happy number.

2151532344024 is a `hidden beast` number, since 2 + 1 + 5 + 15 + 3 + 234 + 402 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2151532344024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32530909 + ... + 32596979.

It is an arithmetic number, because the mean of its divisors is an integer number (35985123720).

Almost surely, 2^{2151532344024} is an apocalyptic number.

2151532344024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151532344024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454571877120).

2151532344024 is an abundant number, since it is smaller than the sum of its proper divisors (4757611410216).

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

2151532344024 is a wasteful number, since it uses less digits than its factorization.

2151532344024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68492 (or 68476 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2151532344024 its reverse (4204432351512), we get a palindrome (6355964695536).

The spelling of 2151532344024 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-two million, three hundred forty-four thousand, twenty-four".