10381404377785 has 24 divisors (see below), whose sum is σ = 14499306089280. Its totient is φ = 7114888426464.

The previous prime is 10381404377779. The next prime is 10381404377873. The reversal of 10381404377785 is 58777340418301.

It is not a de Polignac number, because 10381404377785 - 2¹³ = 10381404369593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10815079 + ... + 11735788.

It is an arithmetic number, because the mean of its divisors is an integer number (604137753720).

Almost surely, 2^{10381404377785} is an apocalyptic number.

It is an amenable number.

10381404377785 is a deficient number, since it is larger than the sum of its proper divisors (4117901711495).

10381404377785 is a wasteful number, since it uses less digits than its factorization.

10381404377785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552765 (or 22552758 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 10381404377785 in words is "ten trillion, three hundred eighty-one billion, four hundred four million, three hundred seventy-seven thousand, seven hundred eighty-five".