2541451655513 has 4 divisors (see below), whose sum is σ = 2595525095040. Its totient is φ = 2487378215988.

The previous prime is 2541451655443. The next prime is 2541451655581. The reversal of 2541451655513 is 3155561541452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541451655513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 54073439479 = 2541451655513 / (2 + 5 + 4 + 1 + 4 + 5 + 1 + 6 + 5 + 5 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541451651513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27036719693 + ... + 27036719786.

It is an arithmetic number, because the mean of its divisors is an integer number (648881273760).

Almost surely, 2^{2541451655513} is an apocalyptic number.

It is an amenable number.

2541451655513 is a deficient number, since it is larger than the sum of its proper divisors (54073439527).

2541451655513 is an equidigital number, since it uses as much as digits as its factorization.

2541451655513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54073439526.

The product of its digits is 1800000, while the sum is 47.

The spelling of 2541451655513 in words is "two trillion, five hundred forty-one billion, four hundred fifty-one million, six hundred fifty-five thousand, five hundred thirteen".