10989437122088 has 8 divisors (see below), whose sum is σ = 20605194603930. Its totient is φ = 5494718561040.

The previous prime is 10989437122067. The next prime is 10989437122093. The reversal of 10989437122088 is 88022173498901.

It can be written as a sum of positive squares in only one way, i.e., 9534620001124 + 1454817120964 = 3087818^2 + 1206158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10989437122088.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686839820123 + ... + 686839820138.

Almost surely, 2^{10989437122088} is an apocalyptic number.

It is an amenable number.

10989437122088 is a deficient number, since it is larger than the sum of its proper divisors (9615757481842).

10989437122088 is a wasteful number, since it uses less digits than its factorization.

10989437122088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373679640267 (or 1373679640263 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 10989437122088 in words is "ten trillion, nine hundred eighty-nine billion, four hundred thirty-seven million, one hundred twenty-two thousand, eighty-eight".