1195048811 has 4 divisors (see below), whose sum is σ = 1303689624. Its totient is φ = 1086408000.

The previous prime is 1195048807. The next prime is 1195048817. The reversal of 1195048811 is 1188405911.

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

It is a cyclic number.

It is not a de Polignac number, because 1195048811 - 2² = 1195048807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195048817) 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, 54320390 + ... + 54320411.

It is an arithmetic number, because the mean of its divisors is an integer number (325922406).

Almost surely, 2^1195048811 is an apocalyptic number.

1195048811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1195048811 is a deficient number, since it is larger than the sum of its proper divisors (108640813).

1195048811 is a wasteful number, since it uses less digits than its factorization.

1195048811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108640812.

The product of its (nonzero) digits is 11520, while the sum is 38.

The square root of 1195048811 is about 34569.4780261432. The cubic root of 1195048811 is about 1061.1950480031.

The spelling of 1195048811 in words is "one billion, one hundred ninety-five million, forty-eight thousand, eight hundred eleven".