2241130547781 has 32 divisors (see below), whose sum is σ = 3516538665600. Its totient is φ = 1405783653120.

The previous prime is 2241130547779. The next prime is 2241130547797. The reversal of 2241130547781 is 1877450311422.

It is a happy number.

2241130547781 is a `hidden beast` number, since 2 + 2 + 4 + 1 + 1 + 30 + 547 + 78 + 1 = 666.

It is not a de Polignac number, because 2241130547781 - 2¹ = 2241130547779 is a prime.

It is a super-2 number, since 2×2241130547781² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241130547771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835186 + ... + 2275916.

It is an arithmetic number, because the mean of its divisors is an integer number (109891833300).

Almost surely, 2^{2241130547781} is an apocalyptic number.

It is an amenable number.

2241130547781 is a deficient number, since it is larger than the sum of its proper divisors (1275408117819).

2241130547781 is a wasteful number, since it uses less digits than its factorization.

2241130547781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444146 (or 1444140 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 2241130547781 in words is "two trillion, two hundred forty-one billion, one hundred thirty million, five hundred forty-seven thousand, seven hundred eighty-one".