351543886881 has 16 divisors (see below), whose sum is σ = 511454347200. Its totient is φ = 213007824320.

The previous prime is 351543886871. The next prime is 351543886963. The reversal of 351543886881 is 188688345153.

It is a cyclic number.

It is not a de Polignac number, because 351543886881 - 2⁷ = 351543886753 is a prime.

It is a super-2 number, since 2×351543886881² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (351543886871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081230 + ... + 1368263.

It is an arithmetic number, because the mean of its divisors is an integer number (31965896700).

Almost surely, 2^351543886881 is an apocalyptic number.

It is an amenable number.

351543886881 is a deficient number, since it is larger than the sum of its proper divisors (159910460319).

351543886881 is a wasteful number, since it uses less digits than its factorization.

351543886881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453856.

The product of its digits is 22118400, while the sum is 60.

The spelling of 351543886881 in words is "three hundred fifty-one billion, five hundred forty-three million, eight hundred eighty-six thousand, eight hundred eighty-one".