11340692281 has 4 divisors (see below), whose sum is σ = 11341065600. Its totient is φ = 11340318964.

The previous prime is 11340692243. The next prime is 11340692287. The reversal of 11340692281 is 18229604311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11340692281 is a prime.

It is a super-2 number, since 2×11340692281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11340692281.

It is not an unprimeable number, because it can be changed into a prime (11340692287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136621 + ... + 203338.

It is an arithmetic number, because the mean of its divisors is an integer number (2835266400).

Almost surely, 2^11340692281 is an apocalyptic number.

It is an amenable number.

11340692281 is a deficient number, since it is larger than the sum of its proper divisors (373319).

11340692281 is an equidigital number, since it uses as much as digits as its factorization.

11340692281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373318.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 11340692281 in words is "eleven billion, three hundred forty million, six hundred ninety-two thousand, two hundred eighty-one".