11781301137 has 8 divisors (see below), whose sum is σ = 15710217600. Its totient is φ = 7853292720.

The previous prime is 11781301117. The next prime is 11781301141. The reversal of 11781301137 is 73110318711.

11781301137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11781301137 - 2⁷ = 11781301009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11781301098 and 11781301107.

It is not an unprimeable number, because it can be changed into a prime (11781301117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 196137 + ... + 249062.

It is an arithmetic number, because the mean of its divisors is an integer number (1963777200).

Almost surely, 2^11781301137 is an apocalyptic number.

It is an amenable number.

11781301137 is a deficient number, since it is larger than the sum of its proper divisors (3928916463).

11781301137 is an equidigital number, since it uses as much as digits as its factorization.

11781301137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454023.

The product of its (nonzero) digits is 3528, while the sum is 33.

Adding to 11781301137 its reverse (73110318711), we get a palindrome (84891619848).

The spelling of 11781301137 in words is "eleven billion, seven hundred eighty-one million, three hundred one thousand, one hundred thirty-seven".