1311160163601 has 16 divisors (see below), whose sum is σ = 1756448918784. Its totient is φ = 869991435024.

The previous prime is 1311160163543. The next prime is 1311160163603. The reversal of 1311160163601 is 1063610611131.

It is not a de Polignac number, because 1311160163601 - 2¹⁹ = 1311159639313 is a prime.

It is a super-2 number, since 2×1311160163601² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311160163603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960966 + ... + 2543168.

It is an arithmetic number, because the mean of its divisors is an integer number (109778057424).

Almost surely, 2^{1311160163601} is an apocalyptic number.

It is an amenable number.

1311160163601 is a deficient number, since it is larger than the sum of its proper divisors (445288755183).

1311160163601 is a wasteful number, since it uses less digits than its factorization.

1311160163601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585740.

The product of its (nonzero) digits is 1944, while the sum is 30.

Adding to 1311160163601 its reverse (1063610611131), we get a palindrome (2374770774732).

The spelling of 1311160163601 in words is "one trillion, three hundred eleven billion, one hundred sixty million, one hundred sixty-three thousand, six hundred one".