1156172386144 has 48 divisors (see below), whose sum is σ = 2349950109696. Its totient is φ = 559364572800.

The previous prime is 1156172386133. The next prime is 1156172386177. The reversal of 1156172386144 is 4416832716511.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7874169 + ... + 8019655.

It is an arithmetic number, because the mean of its divisors is an integer number (48957293952).

Almost surely, 2^{1156172386144} is an apocalyptic number.

It is an amenable number.

1156172386144 is an abundant number, since it is smaller than the sum of its proper divisors (1193777723552).

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

1156172386144 is a wasteful number, since it uses less digits than its factorization.

1156172386144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153539 (or 153531 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 1156172386144 in words is "one trillion, one hundred fifty-six billion, one hundred seventy-two million, three hundred eighty-six thousand, one hundred forty-four".