1101162641 has 4 divisors (see below), whose sum is σ = 1165936932. Its totient is φ = 1036388352.

The previous prime is 1101162617. The next prime is 1101162649. The reversal of 1101162641 is 1462611011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1462611011 = 977 ⋅1497043.

It can be written as a sum of positive squares in 2 ways, for example, as 1032272641 + 68890000 = 32129^2 + 8300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101162641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101162649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32387120 + ... + 32387153.

It is an arithmetic number, because the mean of its divisors is an integer number (291484233).

Almost surely, 2^1101162641 is an apocalyptic number.

It is an amenable number.

1101162641 is a deficient number, since it is larger than the sum of its proper divisors (64774291).

1101162641 is an equidigital number, since it uses as much as digits as its factorization.

1101162641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64774290.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1101162641 is about 33183.7707471589. The cubic root of 1101162641 is about 1032.6436756367.

Adding to 1101162641 its reverse (1462611011), we get a palindrome (2563773652).

The spelling of 1101162641 in words is "one billion, one hundred one million, one hundred sixty-two thousand, six hundred forty-one".