1195550155 has 8 divisors (see below), whose sum is σ = 1436595552. Its totient is φ = 955149888.

The previous prime is 1195550141. The next prime is 1195550159. The reversal of 1195550155 is 5510555911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1195550155 - 2⁹ = 1195549643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195550159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157194 + ... + 164623.

It is an arithmetic number, because the mean of its divisors is an integer number (179574444).

Almost surely, 2^1195550155 is an apocalyptic number.

1195550155 is a deficient number, since it is larger than the sum of its proper divisors (241045397).

1195550155 is an equidigital number, since it uses as much as digits as its factorization.

1195550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322565.

The product of its (nonzero) digits is 28125, while the sum is 37.

The square root of 1195550155 is about 34576.7285178919. The cubic root of 1195550155 is about 1061.3434239202.

The spelling of 1195550155 in words is "one billion, one hundred ninety-five million, five hundred fifty thousand, one hundred fifty-five".