1153841771772 has 48 divisors (see below), whose sum is σ = 2991720453120. Its totient is φ = 384578075376.

The previous prime is 1153841771767. The next prime is 1153841771777. The reversal of 1153841771772 is 2771771483511.

1153841771772 is a `hidden beast` number, since 1 + 1 + 53 + 8 + 417 + 7 + 177 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1153841771767) and next prime (1153841771777).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153841771777) by changing a digit.

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, 679003 + ... + 1663949.

It is an arithmetic number, because the mean of its divisors is an integer number (62327509440).

Almost surely, 2^{1153841771772} is an apocalyptic number.

1153841771772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1153841771772 is an abundant number, since it is smaller than the sum of its proper divisors (1837878681348).

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

1153841771772 is a wasteful number, since it uses less digits than its factorization.

1153841771772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995807 (or 995799 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 54.

The spelling of 1153841771772 in words is "one trillion, one hundred fifty-three billion, eight hundred forty-one million, seven hundred seventy-one thousand, seven hundred seventy-two".