1165622151601 has 4 divisors (see below), whose sum is σ = 1165626629104. Its totient is φ = 1165617674100.

The previous prime is 1165622151587. The next prime is 1165622151607. The reversal of 1165622151601 is 1061512265611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1165622151601 - 2¹³ = 1165622143409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165622151607) 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, 1822455 + ... + 2377516.

It is an arithmetic number, because the mean of its divisors is an integer number (291406657276).

Almost surely, 2^{1165622151601} is an apocalyptic number.

It is an amenable number.

1165622151601 is a deficient number, since it is larger than the sum of its proper divisors (4477503).

1165622151601 is an equidigital number, since it uses as much as digits as its factorization.

1165622151601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477502.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 1165622151601 in words is "one trillion, one hundred sixty-five billion, six hundred twenty-two million, one hundred fifty-one thousand, six hundred one".