1091842760850 has 48 divisors (see below), whose sum is σ = 2709160084800. Its totient is φ = 291008603200.

The previous prime is 1091842760843. The next prime is 1091842760857. The reversal of 1091842760850 is 580672481901.

It is an interprime number because it is at equal distance from previous prime (1091842760843) and next prime (1091842760857).

It is a super-2 number, since 2×1091842760850² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1091842760793 and 1091842760802.

It is not an unprimeable number, because it can be changed into a prime (1091842760857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1575006 + ... + 2159705.

It is an arithmetic number, because the mean of its divisors is an integer number (56440835100).

Almost surely, 2^{1091842760850} is an apocalyptic number.

1091842760850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091842760850 is an abundant number, since it is smaller than the sum of its proper divisors (1617317323950).

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

1091842760850 is a wasteful number, since it uses less digits than its factorization.

1091842760850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736675 (or 3736670 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 1091842760850 in words is "one trillion, ninety-one billion, eight hundred forty-two million, seven hundred sixty thousand, eight hundred fifty".