11137319623 has 4 divisors (see below), whose sum is σ = 11723494360. Its totient is φ = 10551144888.

The previous prime is 11137319621. The next prime is 11137319629. The reversal of 11137319623 is 32691373111.

11137319623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32691373111 = 89 ⋅367318799.

It is a cyclic number.

It is not a de Polignac number, because 11137319623 - 2¹ = 11137319621 is a prime.

It is the 105534-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11137319621) by changing a digit.

It is a nontrivial repunit in base 105533.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293087340 + ... + 293087377.

It is an arithmetic number, because the mean of its divisors is an integer number (2930873590).

Almost surely, 2^11137319623 is an apocalyptic number.

11137319623 is a deficient number, since it is larger than the sum of its proper divisors (586174737).

11137319623 is an equidigital number, since it uses as much as digits as its factorization.

11137319623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586174736.

The product of its digits is 20412, while the sum is 37.

The spelling of 11137319623 in words is "eleven billion, one hundred thirty-seven million, three hundred nineteen thousand, six hundred twenty-three".