381017183250051 has 12 divisors (see below), whose sum is σ = 579324372193320. Its totient is φ = 240642431526240.

The previous prime is 381017183250019. The next prime is 381017183250061. The reversal of 381017183250051 is 150052381710183.

381017183250051 is a `hidden beast` number, since 3 + 8 + 1 + 0 + 17 + 1 + 83 + 2 + 500 + 51 = 666.

It is not a de Polignac number, because 381017183250051 - 2⁵ = 381017183250019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381017183249979 and 381017183250006.

It is not an unprimeable number, because it can be changed into a prime (381017183250061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114085330970 + ... + 1114085331311.

It is an arithmetic number, because the mean of its divisors is an integer number (48277031016110).

Almost surely, 2^{381017183250051} is an apocalyptic number.

381017183250051 is a deficient number, since it is larger than the sum of its proper divisors (198307188943269).

381017183250051 is a wasteful number, since it uses less digits than its factorization.

381017183250051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228170662306 (or 2228170662303 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 381017183250051 in words is "three hundred eighty-one trillion, seventeen billion, one hundred eighty-three million, two hundred fifty thousand, fifty-one".