2541487511 has 4 divisors (see below), whose sum is σ = 2651986992. Its totient is φ = 2430988032.

The previous prime is 2541487499. The next prime is 2541487513. The reversal of 2541487511 is 1157841452.

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-2541487511 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 (2541487513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55249706 + ... + 55249751.

It is an arithmetic number, because the mean of its divisors is an integer number (662996748).

Almost surely, 2^2541487511 is an apocalyptic number.

2541487511 is a deficient number, since it is larger than the sum of its proper divisors (110499481).

2541487511 is a wasteful number, since it uses less digits than its factorization.

2541487511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110499480.

The product of its digits is 44800, while the sum is 38.

The square root of 2541487511 is about 50413.1680317752. The cubic root of 2541487511 is about 1364.6752859980.

The spelling of 2541487511 in words is "two billion, five hundred forty-one million, four hundred eighty-seven thousand, five hundred eleven".