2542453211101 has 4 divisors (see below), whose sum is σ = 2553555627100. Its totient is φ = 2531350795104.

The previous prime is 2542453211099. The next prime is 2542453211183. The reversal of 2542453211101 is 1011123542452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1768274955225 + 774178255876 = 1329765^2 + 879874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542453211101 - 2¹ = 2542453211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542453214101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551207656 + ... + 5551208113.

It is an arithmetic number, because the mean of its divisors is an integer number (638388906775).

Almost surely, 2^{2542453211101} is an apocalyptic number.

It is an amenable number.

2542453211101 is a deficient number, since it is larger than the sum of its proper divisors (11102415999).

2542453211101 is a wasteful number, since it uses less digits than its factorization.

2542453211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102415998.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 2542453211101 its reverse (1011123542452), we get a palindrome (3553576753553).

The spelling of 2542453211101 in words is "two trillion, five hundred forty-two billion, four hundred fifty-three million, two hundred eleven thousand, one hundred one".