10780410985 has 4 divisors (see below), whose sum is σ = 12936493188. Its totient is φ = 8624328784.

The previous prime is 10780410967. The next prime is 10780411001. The reversal of 10780410985 is 58901408701.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6244792576 + 4535618409 = 79024^2 + 67347^2 .

It is a cyclic number.

It is not a de Polignac number, because 10780410985 - 2⁷ = 10780410857 is a prime.

It is a super-2 number, since 2×10780410985² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078041094 + ... + 1078041103.

It is an arithmetic number, because the mean of its divisors is an integer number (3234123297).

Almost surely, 2^10780410985 is an apocalyptic number.

It is an amenable number.

10780410985 is a deficient number, since it is larger than the sum of its proper divisors (2156082203).

10780410985 is an equidigital number, since it uses as much as digits as its factorization.

10780410985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156082202.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 10780410985 in words is "ten billion, seven hundred eighty million, four hundred ten thousand, nine hundred eighty-five".