2151530115241 has 8 divisors (see below), whose sum is σ = 2396930102280. Its totient is φ = 1917544081152.

The previous prime is 2151530115239. The next prime is 2151530115263. The reversal of 2151530115241 is 1425110351512.

It can be written as a sum of positive squares in 4 ways, for example, as 102326413225 + 2049203702016 = 319885^2 + 1431504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151530115241 - 2¹ = 2151530115239 is a prime.

It is a super-3 number, since 3×2151530115241³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151530115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853487840 + ... + 2853488593.

It is an arithmetic number, because the mean of its divisors is an integer number (299616262785).

Almost surely, 2^{2151530115241} is an apocalyptic number.

It is an amenable number.

2151530115241 is a deficient number, since it is larger than the sum of its proper divisors (245399987039).

2151530115241 is a wasteful number, since it uses less digits than its factorization.

2151530115241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706976475.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 2151530115241 its reverse (1425110351512), we get a palindrome (3576640466753).

The spelling of 2151530115241 in words is "two trillion, one hundred fifty-one billion, five hundred thirty million, one hundred fifteen thousand, two hundred forty-one".