10989135331 has 4 divisors (see below), whose sum is σ = 11257163064. Its totient is φ = 10721107600.

The previous prime is 10989135319. The next prime is 10989135337. The reversal of 10989135331 is 13353198901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10989135331 - 2¹¹ = 10989133283 is a prime.

It is a super-2 number, since 2×10989135331² (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 (10989135337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134013805 + ... + 134013886.

It is an arithmetic number, because the mean of its divisors is an integer number (2814290766).

Almost surely, 2^10989135331 is an apocalyptic number.

10989135331 is a deficient number, since it is larger than the sum of its proper divisors (268027733).

10989135331 is an equidigital number, since it uses as much as digits as its factorization.

10989135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268027732.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 10989135331 in words is "ten billion, nine hundred eighty-nine million, one hundred thirty-five thousand, three hundred thirty-one".