10978499217 has 32 divisors (see below), whose sum is σ = 17017799680. Its totient is φ = 6165357120.

The previous prime is 10978499201. The next prime is 10978499239. The reversal of 10978499217 is 71299487901.

10978499217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10978499217 - 2⁴ = 10978499201 is a prime.

It is a super-2 number, since 2×10978499217² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10978499267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896834 + ... + 1902612.

It is an arithmetic number, because the mean of its divisors is an integer number (531806240).

Almost surely, 2^10978499217 is an apocalyptic number.

It is an amenable number.

10978499217 is a deficient number, since it is larger than the sum of its proper divisors (6039300463).

10978499217 is a wasteful number, since it uses less digits than its factorization.

10978499217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 10978499217 in words is "ten billion, nine hundred seventy-eight million, four hundred ninety-nine thousand, two hundred seventeen".