1101641405 has 4 divisors (see below), whose sum is σ = 1321969692. Its totient is φ = 881313120.

The previous prime is 1101641393. The next prime is 1101641417. The reversal of 1101641405 is 5041461011.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1101641393) and next prime (1101641417).

It can be written as a sum of positive squares in 2 ways, for example, as 247716121 + 853925284 = 15739^2 + 29222^2 .

It is not a de Polignac number, because 1101641405 - 2¹⁰ = 1101640381 is a prime.

It is a super-2 number, since 2×1101641405² = 2427227570420748050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110164136 + ... + 110164145.

It is an arithmetic number, because the mean of its divisors is an integer number (330492423).

Almost surely, 2^1101641405 is an apocalyptic number.

It is an amenable number.

1101641405 is a deficient number, since it is larger than the sum of its proper divisors (220328287).

1101641405 is an equidigital number, since it uses as much as digits as its factorization.

1101641405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220328286.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1101641405 is about 33190.9837907827. The cubic root of 1101641405 is about 1032.7933117167.

The spelling of 1101641405 in words is "one billion, one hundred one million, six hundred forty-one thousand, four hundred five".