1311189153 has 16 divisors (see below), whose sum is σ = 1794277056. Its totient is φ = 851235840.

The previous prime is 1311189119. The next prime is 1311189157. The reversal of 1311189153 is 3519811131.

It is a happy number.

It is not a de Polignac number, because 1311189153 - 2¹⁴ = 1311172769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311189157) 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 in 15 ways as a sum of consecutive naturals, for example, 28393 + ... + 58553.

It is an arithmetic number, because the mean of its divisors is an integer number (112142316).

Almost surely, 2^1311189153 is an apocalyptic number.

It is an amenable number.

1311189153 is a deficient number, since it is larger than the sum of its proper divisors (483087903).

1311189153 is a wasteful number, since it uses less digits than its factorization.

1311189153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30544.

The product of its digits is 3240, while the sum is 33.

The square root of 1311189153 is about 36210.3459386955. The cubic root of 1311189153 is about 1094.5151632702.

The spelling of 1311189153 in words is "one billion, three hundred eleven million, one hundred eighty-nine thousand, one hundred fifty-three".