5781356344181 has 8 divisors (see below), whose sum is σ = 6315538478304. Its totient is φ = 5248608257520.

The previous prime is 5781356344129. The next prime is 5781356344219. The reversal of 5781356344181 is 1814436531875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5781356344181 - 2²² = 5781352149877 is a prime.

It is a super-2 number, since 2×5781356344181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781356340181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358503431 + ... + 358519556.

It is an arithmetic number, because the mean of its divisors is an integer number (789442309788).

Almost surely, 2^{5781356344181} is an apocalyptic number.

It is an amenable number.

5781356344181 is a deficient number, since it is larger than the sum of its proper divisors (534182134123).

5781356344181 is a wasteful number, since it uses less digits than its factorization.

5781356344181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717023731.

The product of its digits is 9676800, while the sum is 56.

The spelling of 5781356344181 in words is "five trillion, seven hundred eighty-one billion, three hundred fifty-six million, three hundred forty-four thousand, one hundred eighty-one".