2011289775 has 48 divisors (see below), whose sum is σ = 3678835968. Its totient is φ = 961408000.

The previous prime is 2011289723. The next prime is 2011289779. The reversal of 2011289775 is 5779821102.

It is not a de Polignac number, because 2011289775 - 2¹⁴ = 2011273391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011289779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41407 + ... + 75743.

It is an arithmetic number, because the mean of its divisors is an integer number (76642416).

Almost surely, 2^2011289775 is an apocalyptic number.

2011289775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2011289775 is a deficient number, since it is larger than the sum of its proper divisors (1667546193).

2011289775 is a wasteful number, since it uses less digits than its factorization.

2011289775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34432 (or 34427 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 2011289775 is about 44847.4054433476. The cubic root of 2011289775 is about 1262.2873072407.

The spelling of 2011289775 in words is "two billion, eleven million, two hundred eighty-nine thousand, seven hundred seventy-five".