1161622270267 has 4 divisors (see below), whose sum is σ = 1169315133136. Its totient is φ = 1153929407400.

The previous prime is 1161622270219. The next prime is 1161622270271. The reversal of 1161622270267 is 7620722261611.

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 1161622270267 - 2²⁷ = 1161488052539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161622279267) 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, 3846431208 + ... + 3846431509.

It is an arithmetic number, because the mean of its divisors is an integer number (292328783284).

Almost surely, 2^{1161622270267} is an apocalyptic number.

1161622270267 is a deficient number, since it is larger than the sum of its proper divisors (7692862869).

1161622270267 is an equidigital number, since it uses as much as digits as its factorization.

1161622270267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692862868.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 1161622270267 in words is "one trillion, one hundred sixty-one billion, six hundred twenty-two million, two hundred seventy thousand, two hundred sixty-seven".