1191763552 has 24 divisors (see below), whose sum is σ = 2681468496. Its totient is φ = 510755712.

The previous prime is 1191763541. The next prime is 1191763553. The reversal of 1191763552 is 2553671911.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191763553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659963 + ... + 2660410.

It is an arithmetic number, because the mean of its divisors is an integer number (111727854).

Almost surely, 2^1191763552 is an apocalyptic number.

It is an amenable number.

1191763552 is an abundant number, since it is smaller than the sum of its proper divisors (1489704944).

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

1191763552 is an equidigital number, since it uses as much as digits as its factorization.

1191763552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320390 (or 5320382 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 1191763552 is about 34521.9285672165. The cubic root of 1191763552 is about 1060.2217264898.

It can be divided in two parts, 119 and 1763552, that added together give a palindrome (1763671).

The spelling of 1191763552 in words is "one billion, one hundred ninety-one million, seven hundred sixty-three thousand, five hundred fifty-two".