10788780191903 has 4 divisors (see below), whose sum is σ = 12330034505040. Its totient is φ = 9247525878768.

The previous prime is 10788780191863. The next prime is 10788780191933. The reversal of 10788780191903 is 30919108788701.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10788780191903 - 2⁸ = 10788780191647 is a prime.

It is a super-2 number, since 2×10788780191903² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10788780191933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770627156558 + ... + 770627156571.

It is an arithmetic number, because the mean of its divisors is an integer number (3082508626260).

Almost surely, 2^{10788780191903} is an apocalyptic number.

10788780191903 is a deficient number, since it is larger than the sum of its proper divisors (1541254313137).

10788780191903 is an equidigital number, since it uses as much as digits as its factorization.

10788780191903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541254313136.

The product of its (nonzero) digits is 6096384, while the sum is 62.

The spelling of 10788780191903 in words is "ten trillion, seven hundred eighty-eight billion, seven hundred eighty million, one hundred ninety-one thousand, nine hundred three".