1189496968131 has 4 divisors (see below), whose sum is σ = 1585995957512. Its totient is φ = 792997978752.

The previous prime is 1189496968129. The next prime is 1189496968133. The reversal of 1189496968131 is 1318696949811.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1189496968129) and next prime (1189496968133).

It is not a de Polignac number, because 1189496968131 - 2¹ = 1189496968129 is a prime.

It is a super-2 number, since 2×1189496968131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189496968133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198249494686 + ... + 198249494691.

It is an arithmetic number, because the mean of its divisors is an integer number (396498989378).

Almost surely, 2^{1189496968131} is an apocalyptic number.

1189496968131 is a deficient number, since it is larger than the sum of its proper divisors (396498989381).

1189496968131 is an equidigital number, since it uses as much as digits as its factorization.

1189496968131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396498989380.

The product of its digits is 20155392, while the sum is 66.

The spelling of 1189496968131 in words is "one trillion, one hundred eighty-nine billion, four hundred ninety-six million, nine hundred sixty-eight thousand, one hundred thirty-one".