11145644137 has 8 divisors (see below), whose sum is σ = 11299875840. Its totient is φ = 10991741280.

The previous prime is 11145644087. The next prime is 11145644149. The reversal of 11145644137 is 73144654111.

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

It is a cyclic number.

It is not a de Polignac number, because 11145644137 - 2²³ = 11137255529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11145644096 and 11145644105.

It is not an unprimeable number, because it can be changed into a prime (11145644537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564 + ... + 149917.

It is an arithmetic number, because the mean of its divisors is an integer number (1412484480).

Almost surely, 2^11145644137 is an apocalyptic number.

It is an amenable number.

11145644137 is a deficient number, since it is larger than the sum of its proper divisors (154231703).

11145644137 is an equidigital number, since it uses as much as digits as its factorization.

11145644137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164423.

The product of its digits is 40320, while the sum is 37.

The spelling of 11145644137 in words is "eleven billion, one hundred forty-five million, six hundred forty-four thousand, one hundred thirty-seven".