1139178357685 has 16 divisors (see below), whose sum is σ = 1389466861056. Its totient is φ = 896414321088.

The previous prime is 1139178357619. The next prime is 1139178357739. The reversal of 1139178357685 is 5867538719311.

It is a cyclic number.

It is not a de Polignac number, because 1139178357685 - 2⁹ = 1139178357173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2284677 + ... + 2738266.

It is an arithmetic number, because the mean of its divisors is an integer number (86841678816).

Almost surely, 2^{1139178357685} is an apocalyptic number.

It is an amenable number.

1139178357685 is a deficient number, since it is larger than the sum of its proper divisors (250288503371).

1139178357685 is an equidigital number, since it uses as much as digits as its factorization.

1139178357685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023692.

The product of its digits is 38102400, while the sum is 64.

The spelling of 1139178357685 in words is "one trillion, one hundred thirty-nine billion, one hundred seventy-eight million, three hundred fifty-seven thousand, six hundred eighty-five".