1081102550 has 24 divisors (see below), whose sum is σ = 2193656472. Its totient is φ = 393128000.

The previous prime is 1081102549. The next prime is 1081102567. The reversal of 1081102550 is 552011801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982271 + ... + 983370.

It is an arithmetic number, because the mean of its divisors is an integer number (91402353).

Almost surely, 2^1081102550 is an apocalyptic number.

1081102550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081102550 is an abundant number, since it is smaller than the sum of its proper divisors (1112553922).

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

1081102550 is a wasteful number, since it uses less digits than its factorization.

1081102550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965664 (or 1965659 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 1081102550 is about 32880.1239352895. The cubic root of 1081102550 is about 1026.3345851870.

The spelling of 1081102550 in words is "one billion, eighty-one million, one hundred two thousand, five hundred fifty".