11828397387137 has 4 divisors (see below), whose sum is σ = 11829090054996. Its totient is φ = 11827704719280.

The previous prime is 11828397387133. The next prime is 11828397387139. The reversal of 11828397387137 is 73178379382811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3208483418176 + 8619913968961 = 1791224^2 + 2935969^2 .

It is a cyclic number.

It is not a de Polignac number, because 11828397387137 - 2² = 11828397387133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11828397387133) 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, 346308314 + ... + 346342467.

It is an arithmetic number, because the mean of its divisors is an integer number (2957272513749).

Almost surely, 2^{11828397387137} is an apocalyptic number.

It is an amenable number.

11828397387137 is a deficient number, since it is larger than the sum of its proper divisors (692667859).

11828397387137 is an equidigital number, since it uses as much as digits as its factorization.

11828397387137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692667858.

The product of its digits is 85349376, while the sum is 68.

The spelling of 11828397387137 in words is "eleven trillion, eight hundred twenty-eight billion, three hundred ninety-seven million, three hundred eighty-seven thousand, one hundred thirty-seven".