1088961105 has 16 divisors (see below), whose sum is σ = 1818092160. Its totient is φ = 555527808.

The previous prime is 1088961103. The next prime is 1088961131. The reversal of 1088961105 is 5011698801.

It is not a de Polignac number, because 1088961105 - 2¹ = 1088961103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1088961101) 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, 1577860 + ... + 1578549.

It is an arithmetic number, because the mean of its divisors is an integer number (113630760).

Almost surely, 2^1088961105 is an apocalyptic number.

1088961105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1088961105 is a deficient number, since it is larger than the sum of its proper divisors (729131055).

1088961105 is a wasteful number, since it uses less digits than its factorization.

1088961105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156440.

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 1088961105 is about 32999.4106765560. The cubic root of 1088961105 is about 1028.8153990413.

The spelling of 1088961105 in words is "one billion, eighty-eight million, nine hundred sixty-one thousand, one hundred five".