381040213515 has 32 divisors (see below), whose sum is σ = 685107763200. Its totient is φ = 179432981376.

The previous prime is 381040213483. The next prime is 381040213529. The reversal of 381040213515 is 515312040183.

It is not a de Polignac number, because 381040213515 - 2⁵ = 381040213483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42474915 + ... + 42483884.

It is an arithmetic number, because the mean of its divisors is an integer number (21409617600).

Almost surely, 2^381040213515 is an apocalyptic number.

381040213515 is a deficient number, since it is larger than the sum of its proper divisors (304067549685).

381040213515 is a wasteful number, since it uses less digits than its factorization.

381040213515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84958843.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 381040213515 its reverse (515312040183), we get a palindrome (896352253698).

The spelling of 381040213515 in words is "three hundred eighty-one billion, forty million, two hundred thirteen thousand, five hundred fifteen".