10945911787 has 4 divisors (see below), whose sum is σ = 11048210136. Its totient is φ = 10843613440.

The previous prime is 10945911773. The next prime is 10945911793. The reversal of 10945911787 is 78711954901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78711954901 = 13757 ⋅5721593.

It is a cyclic number.

It is not a de Polignac number, because 10945911787 - 2³¹ = 8798428139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10945911707) 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, 51149014 + ... + 51149227.

It is an arithmetic number, because the mean of its divisors is an integer number (2762052534).

Almost surely, 2^10945911787 is an apocalyptic number.

10945911787 is a deficient number, since it is larger than the sum of its proper divisors (102298349).

10945911787 is a wasteful number, since it uses less digits than its factorization.

10945911787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102298348.

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 10945911787 in words is "ten billion, nine hundred forty-five million, nine hundred eleven thousand, seven hundred eighty-seven".