2541717555 has 64 divisors (see below), whose sum is σ = 4481713152. Its totient is φ = 1222341120.

The previous prime is 2541717527. The next prime is 2541717593. The reversal of 2541717555 is 5557171452.

Together with 1939995596 it forms a betrothed pair.

It is not a de Polignac number, because 2541717555 - 2⁵ = 2541717523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3420514 + ... + 3421256.

It is an arithmetic number, because the mean of its divisors is an integer number (70026768).

Almost surely, 2^2541717555 is an apocalyptic number.

2541717555 is a deficient number, since it is larger than the sum of its proper divisors (1939995597).

2541717555 is a wasteful number, since it uses less digits than its factorization.

2541717555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 245000, while the sum is 42.

The square root of 2541717555 is about 50415.4495665763. The cubic root of 2541717555 is about 1364.7164595087.

It can be divided in two parts, 254171 and 7555, that added together give a triangular number (261726 = T₇₂₃).

The spelling of 2541717555 in words is "two billion, five hundred forty-one million, seven hundred seventeen thousand, five hundred fifty-five".