1150885155840 has 528 divisors, whose sum is σ = 4340884444992. Its totient is φ = 259443523584.

The previous prime is 1150885155811. The next prime is 1150885155853. The reversal of 1150885155840 is 485515880511.

It is a super-2 number, since 2×1150885155840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54932247 + ... + 54953193.

Almost surely, 2^{1150885155840} is an apocalyptic number.

1150885155840 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 1150885155840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170442222496).

1150885155840 is an abundant number, since it is smaller than the sum of its proper divisors (3189999289152).

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

1150885155840 is a wasteful number, since it uses less digits than its factorization.

1150885155840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21062 (or 21037 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 51.

The spelling of 1150885155840 in words is "one trillion, one hundred fifty billion, eight hundred eighty-five million, one hundred fifty-five thousand, eight hundred forty".