2541231144215 has 4 divisors (see below), whose sum is σ = 3049477373064. Its totient is φ = 2032984915368.

The previous prime is 2541231144197. The next prime is 2541231144227. The reversal of 2541231144215 is 5124411321452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541231144215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254123114417 + ... + 254123114426.

It is an arithmetic number, because the mean of its divisors is an integer number (762369343266).

Almost surely, 2^{2541231144215} is an apocalyptic number.

2541231144215 is a deficient number, since it is larger than the sum of its proper divisors (508246228849).

2541231144215 is an equidigital number, since it uses as much as digits as its factorization.

2541231144215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508246228848.

The product of its digits is 38400, while the sum is 35.

Adding to 2541231144215 its reverse (5124411321452), we get a palindrome (7665642465667).

The spelling of 2541231144215 in words is "two trillion, five hundred forty-one billion, two hundred thirty-one million, one hundred forty-four thousand, two hundred fifteen".