11344649261 has 8 divisors (see below), whose sum is σ = 12391028544. Its totient is φ = 10300777920.

The previous prime is 11344649221. The next prime is 11344649273. The reversal of 11344649261 is 16294644311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11344649261 is a prime.

It is a super-2 number, since 2×11344649261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344649221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617516 + ... + 635621.

It is an arithmetic number, because the mean of its divisors is an integer number (1548878568).

Almost surely, 2^11344649261 is an apocalyptic number.

11344649261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11344649261 is a deficient number, since it is larger than the sum of its proper divisors (1046379283).

11344649261 is a wasteful number, since it uses less digits than its factorization.

11344649261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253971.

The product of its digits is 124416, while the sum is 41.

The spelling of 11344649261 in words is "eleven billion, three hundred forty-four million, six hundred forty-nine thousand, two hundred sixty-one".