2151520041127 has 2 divisors, whose sum is σ = 2151520041128. Its totient is φ = 2151520041126.

The previous prime is 2151520041107. The next prime is 2151520041161. The reversal of 2151520041127 is 7211400251512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151520041127 - 2¹¹ = 2151520039079 is a prime.

It is a super-2 number, since 2×2151520041127² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151520041107) 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 as a sum of consecutive naturals, namely, 1075760020563 + 1075760020564.

It is an arithmetic number, because the mean of its divisors is an integer number (1075760020564).

Almost surely, 2^{2151520041127} is an apocalyptic number.

2151520041127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151520041127 is an equidigital number, since it uses as much as digits as its factorization.

2151520041127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 2151520041127 its reverse (7211400251512), we get a palindrome (9362920292639).

The spelling of 2151520041127 in words is "two trillion, one hundred fifty-one billion, five hundred twenty million, forty-one thousand, one hundred twenty-seven".