1089119742498 has 18 divisors (see below), whose sum is σ = 2359769035377. Its totient is φ = 363038438280.

The previous prime is 1089119742497. The next prime is 1089119742499. The reversal of 1089119742498 is 8942479119801.

1089119742498 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 11 + 97 + 42 + 498 = 666.

It is an interprime number because it is at equal distance from previous prime (1089119742497) and next prime (1089119742499).

It can be written as a sum of positive squares in 2 ways, for example, as 836791346169 + 252328396329 = 914763^2 + 502323^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=737943.

It is not an unprimeable number, because it can be changed into a prime (1089119742497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4304668 + ... + 4550648.

Almost surely, 2^{1089119742498} is an apocalyptic number.

1089119742498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1089119742498 is an abundant number, since it is smaller than the sum of its proper divisors (1270649292879).

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

1089119742498 is an frugal number, since it uses more digits than its factorization.

1089119742498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491970 (or 245986 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 63.

The spelling of 1089119742498 in words is "one trillion, eighty-nine billion, one hundred nineteen million, seven hundred forty-two thousand, four hundred ninety-eight".