1139115952788 has 288 divisors, whose sum is σ = 3095012229120. Its totient is φ = 325185273600.

The previous prime is 1139115952771. The next prime is 1139115952823. The reversal of 1139115952788 is 8872595119311.

It is a super-2 number, since 2×1139115952788² (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 95 ways as a sum of consecutive naturals, for example, 682513218 + ... + 682514886.

It is an arithmetic number, because the mean of its divisors is an integer number (10746570240).

Almost surely, 2^{1139115952788} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139115952788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547506114560).

1139115952788 is an abundant number, since it is smaller than the sum of its proper divisors (1955896276332).

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

1139115952788 is a wasteful number, since it uses less digits than its factorization.

1139115952788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2006 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 60.

The spelling of 1139115952788 in words is "one trillion, one hundred thirty-nine billion, one hundred fifteen million, nine hundred fifty-two thousand, seven hundred eighty-eight".