11123400001237 has 8 divisors (see below), whose sum is σ = 11451912463904. Its totient is φ = 10798061572368.

The previous prime is 11123400001229. The next prime is 11123400001267. The reversal of 11123400001237 is 73210000432111.

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 11123400001237 - 2³ = 11123400001229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123400001267) 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, 793501338 + ... + 793515355.

It is an arithmetic number, because the mean of its divisors is an integer number (1431489057988).

Almost surely, 2^{11123400001237} is an apocalyptic number.

It is an amenable number.

11123400001237 is a deficient number, since it is larger than the sum of its proper divisors (328512462667).

11123400001237 is a wasteful number, since it uses less digits than its factorization.

11123400001237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587016899.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 11123400001237 its reverse (73210000432111), we get a palindrome (84333400433348).

The spelling of 11123400001237 in words is "eleven trillion, one hundred twenty-three billion, four hundred million, one thousand, two hundred thirty-seven".