11381425335787 has 4 divisors (see below), whose sum is σ = 12256919592400. Its totient is φ = 10505931079176.

The previous prime is 11381425335781. The next prime is 11381425335827. The reversal of 11381425335787 is 78753352418311.

It is a happy number.

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

It is not a de Polignac number, because 11381425335787 - 2¹⁵ = 11381425303019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11381425335781) 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, 437747128287 + ... + 437747128312.

It is an arithmetic number, because the mean of its divisors is an integer number (3064229898100).

Almost surely, 2^{11381425335787} is an apocalyptic number.

11381425335787 is a deficient number, since it is larger than the sum of its proper divisors (875494256613).

11381425335787 is an equidigital number, since it uses as much as digits as its factorization.

11381425335787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875494256612.

The product of its digits is 16934400, while the sum is 58.

The spelling of 11381425335787 in words is "eleven trillion, three hundred eighty-one billion, four hundred twenty-five million, three hundred thirty-five thousand, seven hundred eighty-seven".