5149855418481 has 24 divisors (see below), whose sum is σ = 7565814634560. Its totient is φ = 3374575680096.

The previous prime is 5149855418467. The next prime is 5149855418489. The reversal of 5149855418481 is 1848145589415.

5149855418481 is a `hidden beast` number, since 5 + 1 + 4 + 9 + 8 + 5 + 541 + 8 + 4 + 81 = 666.

It is not a de Polignac number, because 5149855418481 - 2¹⁸ = 5149855156337 is a prime.

It is a super-2 number, since 2×5149855418481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5149855418489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3154071 + ... + 4499763.

It is an arithmetic number, because the mean of its divisors is an integer number (315242276440).

Almost surely, 2^{5149855418481} is an apocalyptic number.

It is an amenable number.

5149855418481 is a deficient number, since it is larger than the sum of its proper divisors (2415959216079).

5149855418481 is a wasteful number, since it uses less digits than its factorization.

5149855418481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352965 (or 1352962 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 63.

The spelling of 5149855418481 in words is "five trillion, one hundred forty-nine billion, eight hundred fifty-five million, four hundred eighteen thousand, four hundred eighty-one".