381113461615 has 8 divisors (see below), whose sum is σ = 477220334688. Its totient is φ = 291634648800.

The previous prime is 381113461609. The next prime is 381113461627. The reversal of 381113461615 is 516164311183.

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

It is not a de Polignac number, because 381113461615 - 2⁹ = 381113461103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657014936 + ... + 1657015165.

It is an arithmetic number, because the mean of its divisors is an integer number (59652541836).

Almost surely, 2^381113461615 is an apocalyptic number.

381113461615 is a deficient number, since it is larger than the sum of its proper divisors (96106873073).

381113461615 is a wasteful number, since it uses less digits than its factorization.

381113461615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314030129.

The product of its digits is 51840, while the sum is 40.

Adding to 381113461615 its reverse (516164311183), we get a palindrome (897277772798).

The spelling of 381113461615 in words is "three hundred eighty-one billion, one hundred thirteen million, four hundred sixty-one thousand, six hundred fifteen".