11262161361 has 32 divisors (see below), whose sum is σ = 16674287616. Its totient is φ = 6704208000.

The previous prime is 11262161341. The next prime is 11262161381. The reversal of 11262161361 is 16316126211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11262161341) and next prime (11262161381).

It is not a de Polignac number, because 11262161361 - 2⁷ = 11262161233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11262161321) 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, 626085 + ... + 643821.

It is an arithmetic number, because the mean of its divisors is an integer number (521071488).

Almost surely, 2^11262161361 is an apocalyptic number.

11262161361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11262161361 is a deficient number, since it is larger than the sum of its proper divisors (5412126255).

11262161361 is a wasteful number, since it uses less digits than its factorization.

11262161361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093.

The product of its digits is 2592, while the sum is 30.

Adding to 11262161361 its reverse (16316126211), we get a palindrome (27578287572).

The spelling of 11262161361 in words is "eleven billion, two hundred sixty-two million, one hundred sixty-one thousand, three hundred sixty-one".