38155006782103 has 4 divisors (see below), whose sum is σ = 38270278706248. Its totient is φ = 38039734857960.

The previous prime is 38155006782097. The next prime is 38155006782143. The reversal of 38155006782103 is 30128760055183.

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

It is a cyclic number.

It is not a de Polignac number, because 38155006782103 - 2⁵ = 38155006782071 is a prime.

It is a super-2 number, since 2×38155006782103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38155006782143) 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, 57635961576 + ... + 57635962237.

It is an arithmetic number, because the mean of its divisors is an integer number (9567569676562).

Almost surely, 2^{38155006782103} is an apocalyptic number.

38155006782103 is a deficient number, since it is larger than the sum of its proper divisors (115271924145).

38155006782103 is a wasteful number, since it uses less digits than its factorization.

38155006782103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115271924144.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 38155006782103 in words is "thirty-eight trillion, one hundred fifty-five billion, six million, seven hundred eighty-two thousand, one hundred three".