1101372163 has 2 divisors, whose sum is σ = 1101372164. Its totient is φ = 1101372162.

The previous prime is 1101372157. The next prime is 1101372203. The reversal of 1101372163 is 3612731011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101372163 - 2⁵ = 1101372131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101376163) by changing a digit.

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 as a sum of consecutive naturals, namely, 550686081 + 550686082.

It is an arithmetic number, because the mean of its divisors is an integer number (550686082).

Almost surely, 2^1101372163 is an apocalyptic number.

1101372163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101372163 is an equidigital number, since it uses as much as digits as its factorization.

1101372163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1101372163 is about 33186.9275920505. The cubic root of 1101372163 is about 1032.7091663701.

The spelling of 1101372163 in words is "one billion, one hundred one million, three hundred seventy-two thousand, one hundred sixty-three".