1139578499808 has 576 divisors, whose sum is σ = 4137217523712. Its totient is φ = 301380963840.

The previous prime is 1139578499789. The next prime is 1139578499821. The reversal of 1139578499808 is 8089948759311.

It is a happy number.

1139578499808 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 57 + 8 + 499 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 38795335 + ... + 38824697.

It is an arithmetic number, because the mean of its divisors is an integer number (7182669312).

Almost surely, 2^{1139578499808} is an apocalyptic number.

1139578499808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139578499808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068608761856).

1139578499808 is an abundant number, since it is smaller than the sum of its proper divisors (2997639023904).

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

1139578499808 is a wasteful number, since it uses less digits than its factorization.

1139578499808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29449 (or 29429 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 72.

The spelling of 1139578499808 in words is "one trillion, one hundred thirty-nine billion, five hundred seventy-eight million, four hundred ninety-nine thousand, eight hundred eight".