1738540381111 has 8 divisors (see below), whose sum is σ = 1763507126304. Its totient is φ = 1713586976640.

The previous prime is 1738540381103. The next prime is 1738540381141. The reversal of 1738540381111 is 1111830458371.

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

It is not a de Polignac number, because 1738540381111 - 2³ = 1738540381103 is a prime.

It is a super-3 number, since 3×1738540381111³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1738540381141) 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, 3072526 + ... + 3594091.

It is an arithmetic number, because the mean of its divisors is an integer number (220438390788).

Almost surely, 2^{1738540381111} is an apocalyptic number.

1738540381111 is a deficient number, since it is larger than the sum of its proper divisors (24966745193).

1738540381111 is an equidigital number, since it uses as much as digits as its factorization.

1738540381111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670361.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 1738540381111 in words is "one trillion, seven hundred thirty-eight billion, five hundred forty million, three hundred eighty-one thousand, one hundred eleven".