1285606011 has 16 divisors (see below), whose sum is σ = 1819196064. Its totient is φ = 804777984.

The previous prime is 1285605917. The next prime is 1285606031. The reversal of 1285606011 is 1106065821.

It is not a de Polignac number, because 1285606011 - 2⁷ = 1285605883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1285606011.

It is not an unprimeable number, because it can be changed into a prime (1285606031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 51191.

It is an arithmetic number, because the mean of its divisors is an integer number (113699754).

Almost surely, 2^1285606011 is an apocalyptic number.

1285606011 is a deficient number, since it is larger than the sum of its proper divisors (533590053).

1285606011 is a wasteful number, since it uses less digits than its factorization.

1285606011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58670.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1285606011 is about 35855.3484294882. The cubic root of 1285606011 is about 1087.3498480499.

The spelling of 1285606011 in words is "one billion, two hundred eighty-five million, six hundred six thousand, eleven".