2542305511 has 4 divisors (see below), whose sum is σ = 2691852912. Its totient is φ = 2392758112.

The previous prime is 2542305509. The next prime is 2542305517. The reversal of 2542305511 is 1155032452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542305511 - 2¹ = 2542305509 is a prime.

It is a super-2 number, since 2×2542305511² = 12926634622521942242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542305511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542305517) 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, 74773675 + ... + 74773708.

It is an arithmetic number, because the mean of its divisors is an integer number (672963228).

Almost surely, 2^2542305511 is an apocalyptic number.

2542305511 is a deficient number, since it is larger than the sum of its proper divisors (149547401).

2542305511 is a wasteful number, since it uses less digits than its factorization.

2542305511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149547400.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2542305511 is about 50421.2803387617. The cubic root of 2542305511 is about 1364.8216811880.

Adding to 2542305511 its reverse (1155032452), we get a palindrome (3697337963).

The spelling of 2542305511 in words is "two billion, five hundred forty-two million, three hundred five thousand, five hundred eleven".