1120545186881 has 8 divisors (see below), whose sum is σ = 1126512826560. Its totient is φ = 1114590479632.

The previous prime is 1120545186841. The next prime is 1120545186889. The reversal of 1120545186881 is 1886815450211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120545186881 - 2³⁸ = 845667279937 is a prime.

It is a super-2 number, since 2×1120545186881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120545186889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059330 + ... + 3405963.

It is an arithmetic number, because the mean of its divisors is an integer number (140814103320).

Almost surely, 2^{1120545186881} is an apocalyptic number.

It is an amenable number.

1120545186881 is a deficient number, since it is larger than the sum of its proper divisors (5967639679).

1120545186881 is an equidigital number, since it uses as much as digits as its factorization.

1120545186881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466215.

The product of its (nonzero) digits is 614400, while the sum is 50.

The spelling of 1120545186881 in words is "one trillion, one hundred twenty billion, five hundred forty-five million, one hundred eighty-six thousand, eight hundred eighty-one".