10878110137785 has 32 divisors (see below), whose sum is σ = 19986575569920. Its totient is φ = 4996643889600.

The previous prime is 10878110137777. The next prime is 10878110137787. The reversal of 10878110137785 is 58773101187801.

It is not a de Polignac number, because 10878110137785 - 2³ = 10878110137777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (10878110137787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734942661 + ... + 1734948930.

It is an arithmetic number, because the mean of its divisors is an integer number (624580486560).

Almost surely, 2^{10878110137785} is an apocalyptic number.

10878110137785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10878110137785 is a deficient number, since it is larger than the sum of its proper divisors (9108465432135).

10878110137785 is a wasteful number, since it uses less digits than its factorization.

10878110137785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469891629.

The product of its (nonzero) digits is 2634240, while the sum is 57.

The spelling of 10878110137785 in words is "ten trillion, eight hundred seventy-eight billion, one hundred ten million, one hundred thirty-seven thousand, seven hundred eighty-five".