10780491250 has 20 divisors (see below), whose sum is σ = 20206955142. Its totient is φ = 4312196000.

The previous prime is 10780491209. The next prime is 10780491259. The reversal of 10780491250 is 5219408701.

It can be written as a sum of positive squares in 5 ways, for example, as 2049644529 + 8730846721 = 45273^2 + 93439^2 .

It is not an unprimeable number, because it can be changed into a prime (10780491259) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4310947 + ... + 4313446.

Almost surely, 2^10780491250 is an apocalyptic number.

10780491250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10780491250 is a deficient number, since it is larger than the sum of its proper divisors (9426463892).

10780491250 is an frugal number, since it uses more digits than its factorization.

10780491250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624415 (or 8624400 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

Adding to 10780491250 its reverse (5219408701), we get a palindrome (15999899951).

The spelling of 10780491250 in words is "ten billion, seven hundred eighty million, four hundred ninety-one thousand, two hundred fifty".