110978489261 has 16 divisors (see below), whose sum is σ = 124871725440. Its totient is φ = 98113466880.

The previous prime is 110978489239. The next prime is 110978489269. The reversal of 110978489261 is 162984879011.

It is a cyclic number.

It is not a de Polignac number, because 110978489261 - 2²⁶ = 110911380397 is a prime.

It is a super-2 number, since 2×110978489261² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110978489197 and 110978489206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110978489269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079100 + ... + 3114933.

It is an arithmetic number, because the mean of its divisors is an integer number (7804482840).

Almost surely, 2^110978489261 is an apocalyptic number.

It is an amenable number.

110978489261 is a deficient number, since it is larger than the sum of its proper divisors (13893236179).

110978489261 is a wasteful number, since it uses less digits than its factorization.

110978489261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194116.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 110978489261 in words is "one hundred ten billion, nine hundred seventy-eight million, four hundred eighty-nine thousand, two hundred sixty-one".