1116661010550 has 48 divisors (see below), whose sum is σ = 2789242518720. Its totient is φ = 295633988640.

The previous prime is 1116661010501. The next prime is 1116661010593. The reversal of 1116661010550 is 550101666111.

It is a super-2 number, since 2×1116661010550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26757592 + ... + 26799291.

It is an arithmetic number, because the mean of its divisors is an integer number (58109219140).

Almost surely, 2^{1116661010550} is an apocalyptic number.

1116661010550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1116661010550 is an abundant number, since it is smaller than the sum of its proper divisors (1672581508170).

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

1116661010550 is a wasteful number, since it uses less digits than its factorization.

1116661010550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53557037 (or 53557032 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 1116661010550 its reverse (550101666111), we get a palindrome (1666762676661).

The spelling of 1116661010550 in words is "one trillion, one hundred sixteen billion, six hundred sixty-one million, ten thousand, five hundred fifty".