10217359881 has 6 divisors (see below), whose sum is σ = 14758408730. Its totient is φ = 6811573248.

The previous prime is 10217359861. The next prime is 10217359891. The reversal of 10217359881 is 18895371201.

10217359881 is a `hidden beast` number, since 1 + 0 + 217 + 359 + 8 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9860490000 + 356869881 = 99300^2 + 18891^2 .

It is not a de Polignac number, because 10217359881 - 2¹³ = 10217351689 is a prime.

It is a super-2 number, since 2×10217359881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10217359861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567631096 + ... + 567631113.

Almost surely, 2^10217359881 is an apocalyptic number.

It is an amenable number.

10217359881 is a deficient number, since it is larger than the sum of its proper divisors (4541048849).

10217359881 is a wasteful number, since it uses less digits than its factorization.

10217359881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135262215 (or 1135262212 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 10217359881 in words is "ten billion, two hundred seventeen million, three hundred fifty-nine thousand, eight hundred eighty-one".