1195449118957 has 4 divisors (see below), whose sum is σ = 1196873969760. Its totient is φ = 1194024268156.

The previous prime is 1195449118951. The next prime is 1195449118993. The reversal of 1195449118957 is 7598119445911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1195449118957 - 2³ = 1195449118949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195449118951) 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, 712424143 + ... + 712425820.

It is an arithmetic number, because the mean of its divisors is an integer number (299218492440).

Almost surely, 2^{1195449118957} is an apocalyptic number.

It is an amenable number.

1195449118957 is a deficient number, since it is larger than the sum of its proper divisors (1424850803).

1195449118957 is an equidigital number, since it uses as much as digits as its factorization.

1195449118957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424850802.

The product of its digits is 16329600, while the sum is 64.

The spelling of 1195449118957 in words is "one trillion, one hundred ninety-five billion, four hundred forty-nine million, one hundred eighteen thousand, nine hundred fifty-seven".