2521143543213 has 12 divisors (see below), whose sum is σ = 3726341361600. Its totient is φ = 1641674865096.

The previous prime is 2521143543181. The next prime is 2521143543257. The reversal of 2521143543213 is 3123453411252.

2521143543213 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 1 + 435 + 4 + 3 + 213 = 666.

It is not a de Polignac number, because 2521143543213 - 2⁵ = 2521143543181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521143543713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3257291013 + ... + 3257291786.

It is an arithmetic number, because the mean of its divisors is an integer number (310528446800).

Almost surely, 2^{2521143543213} is an apocalyptic number.

It is an amenable number.

2521143543213 is a deficient number, since it is larger than the sum of its proper divisors (1205197818387).

2521143543213 is a wasteful number, since it uses less digits than its factorization.

2521143543213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514582848 (or 6514582845 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 2521143543213 its reverse (3123453411252), we get a palindrome (5644596954465).

The spelling of 2521143543213 in words is "two trillion, five hundred twenty-one billion, one hundred forty-three million, five hundred forty-three thousand, two hundred thirteen".