1184161955 has 4 divisors (see below), whose sum is σ = 1420994352. Its totient is φ = 947329560.

The previous prime is 1184161943. The next prime is 1184161973. The reversal of 1184161955 is 5591614811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5591614811 = 1237 ⋅4520303.

It is a de Polignac number, because none of the positive numbers 2^k-1184161955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 118416191 + ... + 118416200.

It is an arithmetic number, because the mean of its divisors is an integer number (355248588).

Almost surely, 2^1184161955 is an apocalyptic number.

1184161955 is a deficient number, since it is larger than the sum of its proper divisors (236832397).

1184161955 is an equidigital number, since it uses as much as digits as its factorization.

1184161955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236832396.

The product of its digits is 43200, while the sum is 41.

The square root of 1184161955 is about 34411.6543484907. The cubic root of 1184161955 is about 1057.9627284157.

The spelling of 1184161955 in words is "one billion, one hundred eighty-four million, one hundred sixty-one thousand, nine hundred fifty-five".