4011261686 has 16 divisors (see below), whose sum is σ = 6448188384. Its totient is φ = 1866579264.

The previous prime is 4011261641. The next prime is 4011261713. The reversal of 4011261686 is 6861621104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176695 + ... + 1180098.

It is an arithmetic number, because the mean of its divisors is an integer number (403011774).

Almost surely, 2^4011261686 is an apocalyptic number.

4011261686 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4011261686 is a deficient number, since it is larger than the sum of its proper divisors (2436926698).

4011261686 is a wasteful number, since it uses less digits than its factorization.

4011261686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356855.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 4011261686 is about 63334.5220713001. The cubic root of 4011261686 is about 1588.8893904244.

The spelling of 4011261686 in words is "four billion, eleven million, two hundred sixty-one thousand, six hundred eighty-six".