1167415550243 has 4 divisors (see below), whose sum is σ = 1228858473960. Its totient is φ = 1105972626528.

The previous prime is 1167415550239. The next prime is 1167415550261. The reversal of 1167415550243 is 3420555147611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1167415550243 - 2² = 1167415550239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1167415550194 and 1167415550203.

It is not an unprimeable number, because it can be changed into a prime (1167415550233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30721461830 + ... + 30721461867.

It is an arithmetic number, because the mean of its divisors is an integer number (307214618490).

Almost surely, 2^{1167415550243} is an apocalyptic number.

1167415550243 is a deficient number, since it is larger than the sum of its proper divisors (61442923717).

1167415550243 is an equidigital number, since it uses as much as digits as its factorization.

1167415550243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61442923716.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 1167415550243 in words is "one trillion, one hundred sixty-seven billion, four hundred fifteen million, five hundred fifty thousand, two hundred forty-three".