2541555433555 has 16 divisors (see below), whose sum is σ = 3080499546240. Its totient is φ = 2012903212032.

The previous prime is 2541555433511. The next prime is 2541555433589. The reversal of 2541555433555 is 5553345551452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2541555433555 - 2¹⁷ = 2541555302483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4803510 + ... + 5306299.

It is an arithmetic number, because the mean of its divisors is an integer number (192531221640).

Almost surely, 2^{2541555433555} is an apocalyptic number.

2541555433555 is a deficient number, since it is larger than the sum of its proper divisors (538944112685).

2541555433555 is a wasteful number, since it uses less digits than its factorization.

2541555433555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110318.

The product of its digits is 22500000, while the sum is 52.

The spelling of 2541555433555 in words is "two trillion, five hundred forty-one billion, five hundred fifty-five million, four hundred thirty-three thousand, five hundred fifty-five".