1161074220801 has 32 divisors (see below), whose sum is σ = 1691414524800. Its totient is φ = 702607265280.

The previous prime is 1161074220793. The next prime is 1161074220811. The reversal of 1161074220801 is 1080224701611.

It is not a de Polignac number, because 1161074220801 - 2³ = 1161074220793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1161074220811) 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 31 ways as a sum of consecutive naturals, for example, 104888695 + ... + 104899763.

It is an arithmetic number, because the mean of its divisors is an integer number (52856703900).

Almost surely, 2^{1161074220801} is an apocalyptic number.

1161074220801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1161074220801 is a deficient number, since it is larger than the sum of its proper divisors (530340303999).

1161074220801 is a wasteful number, since it uses less digits than its factorization.

1161074220801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 1161074220801 in words is "one trillion, one hundred sixty-one billion, seventy-four million, two hundred twenty thousand, eight hundred one".