3518761838121 has 32 divisors (see below), whose sum is σ = 5382670515200. Its totient is φ = 2269523733120.

The previous prime is 3518761838107. The next prime is 3518761838203. The reversal of 3518761838121 is 1218381678153.

3518761838121 is a `hidden beast` number, since 3 + 5 + 1 + 8 + 7 + 618 + 3 + 8 + 12 + 1 = 666.

It is not a de Polignac number, because 3518761838121 - 2⁹ = 3518761837609 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3518761838321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2358135 + ... + 3549411.

It is an arithmetic number, because the mean of its divisors is an integer number (168208453600).

Almost surely, 2^{3518761838121} is an apocalyptic number.

3518761838121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3518761838121 is a deficient number, since it is larger than the sum of its proper divisors (1863908677079).

3518761838121 is a wasteful number, since it uses less digits than its factorization.

3518761838121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194846 (or 1194840 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 3518761838121 in words is "three trillion, five hundred eighteen billion, seven hundred sixty-one million, eight hundred thirty-eight thousand, one hundred twenty-one".