11397636143 has 2 divisors, whose sum is σ = 11397636144. Its totient is φ = 11397636142.

The previous prime is 11397636127. The next prime is 11397636157. The reversal of 11397636143 is 34163679311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11397636143 - 2⁴ = 11397636127 is a prime.

It is a super-2 number, since 2×11397636143² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11397636094 and 11397636103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397635143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5698818071 + 5698818072.

It is an arithmetic number, because the mean of its divisors is an integer number (5698818072).

Almost surely, 2^11397636143 is an apocalyptic number.

11397636143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397636143 is an equidigital number, since it uses as much as digits as its factorization.

11397636143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The spelling of 11397636143 in words is "eleven billion, three hundred ninety-seven million, six hundred thirty-six thousand, one hundred forty-three".