2541881145690 has 48 divisors (see below), whose sum is σ = 6822081017856. Its totient is φ = 655969327200.

The previous prime is 2541881145689. The next prime is 2541881145703. The reversal of 2541881145690 is 965411881452.

2541881145690 is a `hidden beast` number, since 2 + 5 + 4 + 188 + 1 + 1 + 456 + 9 + 0 = 666.

It is a super-2 number, since 2×2541881145690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455531466 + ... + 455537045.

It is an arithmetic number, because the mean of its divisors is an integer number (142126687872).

Almost surely, 2^{2541881145690} is an apocalyptic number.

2541881145690 is an abundant number, since it is smaller than the sum of its proper divisors (4280199872166).

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

2541881145690 is a wasteful number, since it uses less digits than its factorization.

2541881145690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911068555 (or 911068552 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 2541881145690 in words is "two trillion, five hundred forty-one billion, eight hundred eighty-one million, one hundred forty-five thousand, six hundred ninety".