1167139709952 has 176 divisors, whose sum is σ = 3296432990592. Its totient is φ = 365873725440.

The previous prime is 1167139709927. The next prime is 1167139709987. The reversal of 1167139709952 is 2599079317611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72113253 + ... + 72129435.

Almost surely, 2^{1167139709952} is an apocalyptic number.

1167139709952 is a gapful number since it is divisible by the number (12) 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 1167139709952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648216495296).

1167139709952 is an abundant number, since it is smaller than the sum of its proper divisors (2129293280640).

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

1167139709952 is a wasteful number, since it uses less digits than its factorization.

1167139709952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17604 (or 17586 counting only the distinct ones).

The product of its (nonzero) digits is 6429780, while the sum is 60.

The spelling of 1167139709952 in words is "one trillion, one hundred sixty-seven billion, one hundred thirty-nine million, seven hundred nine thousand, nine hundred fifty-two".