381378111038 has 4 divisors (see below), whose sum is σ = 572067166560. Its totient is φ = 190689055518.

The previous prime is 381378111031. The next prime is 381378111137. The reversal of 381378111038 is 830111873183.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 381378111038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381378111031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95344527758 + ... + 95344527761.

It is an arithmetic number, because the mean of its divisors is an integer number (143016791640).

Almost surely, 2^381378111038 is an apocalyptic number.

381378111038 is a deficient number, since it is larger than the sum of its proper divisors (190689055522).

381378111038 is a wasteful number, since it uses less digits than its factorization.

381378111038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190689055521.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 381378111038 in words is "three hundred eighty-one billion, three hundred seventy-eight million, one hundred eleven thousand, thirty-eight".