1089113311 has 16 divisors (see below), whose sum is σ = 1281335328. Its totient is φ = 912643200.

The previous prime is 1089113287. The next prime is 1089113329. The reversal of 1089113311 is 1133119801.

It is a cyclic number.

It is not a de Polignac number, because 1089113311 - 2¹⁵ = 1089080543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089113311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089153311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103221 + ... + 113281.

It is an arithmetic number, because the mean of its divisors is an integer number (80083458).

Almost surely, 2^1089113311 is an apocalyptic number.

1089113311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1089113311 is a deficient number, since it is larger than the sum of its proper divisors (192222017).

1089113311 is a wasteful number, since it uses less digits than its factorization.

1089113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1089113311 is about 33001.7167886763. The cubic root of 1089113311 is about 1028.8633299181.

The spelling of 1089113311 in words is "one billion, eighty-nine million, one hundred thirteen thousand, three hundred eleven".