945781011 has 12 divisors (see below), whose sum is σ = 1561289392. Its totient is φ = 540446256.

The previous prime is 945780991. The next prime is 945781061. The reversal of 945781011 is 110187549.

It is not a de Polignac number, because 945781011 - 2⁶ = 945780947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945781061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7506136 + ... + 7506261.

Almost surely, 2^945781011 is an apocalyptic number.

945781011 is a deficient number, since it is larger than the sum of its proper divisors (615508381).

945781011 is a wasteful number, since it uses less digits than its factorization.

945781011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012410 (or 15012407 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 945781011 is about 30753.5528191460. The cubic root of 945781011 is about 981.5901613413.

The spelling of 945781011 in words is "nine hundred forty-five million, seven hundred eighty-one thousand, eleven".