1139549571066 has 16 divisors (see below), whose sum is σ = 2399051728800. Its totient is φ = 359857759248.

The previous prime is 1139549571023. The next prime is 1139549571071. The reversal of 1139549571066 is 6601759459311.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 1139549570997 and 1139549571015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998024321 + ... + 4998024548.

It is an arithmetic number, because the mean of its divisors is an integer number (149940733050).

Almost surely, 2^{1139549571066} is an apocalyptic number.

1139549571066 is an abundant number, since it is smaller than the sum of its proper divisors (1259502157734).

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

1139549571066 is a wasteful number, since it uses less digits than its factorization.

1139549571066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996048893.

The product of its (nonzero) digits is 6123600, while the sum is 57.

The spelling of 1139549571066 in words is "one trillion, one hundred thirty-nine billion, five hundred forty-nine million, five hundred seventy-one thousand, sixty-six".