2541555433554 has 16 divisors (see below), whose sum is σ = 5087267145792. Its totient is φ = 846492431408.

The previous prime is 2541555433511. The next prime is 2541555433589. The reversal of 2541555433554 is 4553345551452.

It is a junction number, because it is equal to n+sod(n) for n = 2541555433497 and 2541555433506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173170329 + ... + 173185004.

It is an arithmetic number, because the mean of its divisors is an integer number (317954196612).

Almost surely, 2^{2541555433554} is an apocalyptic number.

2541555433554 is an abundant number, since it is smaller than the sum of its proper divisors (2545711712238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541555433554 is a wasteful number, since it uses less digits than its factorization.

2541555433554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346356561.

The product of its digits is 18000000, while the sum is 51.

The spelling of 2541555433554 in words is "two trillion, five hundred forty-one billion, five hundred fifty-five million, four hundred thirty-three thousand, five hundred fifty-four".