1100955960 has 192 divisors, whose sum is σ = 3869873280. Its totient is φ = 269844480.

The previous prime is 1100955959. The next prime is 1100955983. The reversal of 1100955960 is 695590011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1717240 + ... + 1717880.

It is an arithmetic number, because the mean of its divisors is an integer number (20155590).

Almost surely, 2^1100955960 is an apocalyptic number.

1100955960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100955960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934936640).

1100955960 is an abundant number, since it is smaller than the sum of its proper divisors (2768917320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100955960 is a wasteful number, since it uses less digits than its factorization.

1100955960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 1100955960 is about 33180.6564130368. The cubic root of 1100955960 is about 1032.5790647808.

The spelling of 1100955960 in words is "one billion, one hundred million, nine hundred fifty-five thousand, nine hundred sixty".