2141240121455 has 12 divisors (see below), whose sum is σ = 2686062280440. Its totient is φ = 1638514177872.

The previous prime is 2141240121407. The next prime is 2141240121463. The reversal of 2141240121455 is 5541210421412.

It is not a de Polignac number, because 2141240121455 - 2²⁸ = 2140971685999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404768645 + ... + 404773934.

It is an arithmetic number, because the mean of its divisors is an integer number (223838523370).

Almost surely, 2^{2141240121455} is an apocalyptic number.

2141240121455 is a deficient number, since it is larger than the sum of its proper divisors (544822158985).

2141240121455 is an equidigital number, since it uses as much as digits as its factorization.

2141240121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809542630 (or 809542607 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 2141240121455 its reverse (5541210421412), we get a palindrome (7682450542867).

The spelling of 2141240121455 in words is "two trillion, one hundred forty-one billion, two hundred forty million, one hundred twenty-one thousand, four hundred fifty-five".